International and Humanitarian Disaster Management Discussion

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  1. There are a number of diseases that are consistently seen in displaced populations. Please explain potential causes for these outbreaks.
  2. What are potential solutions for addressing these disease outbreaks?


Instructions:

The answers should be at least 3 substantive paragraphs, well developed, referenced, and properly formatted. “Substantive” means that the writer has added to the dialogue with referenced facts or pertinent personal experience leading to a reasoned argument that advances the scholarly discussion. Discussion question answers must include at least one reference that is not from the assigned reading.

Reference to appropriate authoritative resources and official websites. Must be accessible online. Use New Times Roman 12 font with 1” margins and APA style.

The required readings & 2 example from other students are attached, but do your original work.


Teaching Points:

This week we are focusing on a topic of particular interest to displaced populations. As can be assumed by the title of this week’s discussion we will be examining diseases that impact displaced populations. To first understand this issue, it is reasonable to define displaced populations and briefly discuss the impacts facing these communities before focusing on the issue of disease. So, what exactly is a displaced person and more broadly displaced populations.

The term displaced population is an overarching term that defines a number of smaller subgroups of people that for a number of reasons leave a particular geographic area. Defining these subgroups is important as there are similarities and differences that impact each group.

Refugee - people who have fled war, violence, conflict or persecution and have crossed an international border to find safety in another country.

Internally Displaced Person - persons who have been forced to flee or to leave their homes, as a result of or in order to avoid the effects of armed conflict, situations of generalized violence, violations of human rights or natural or human-made disasters, and who have not crossed an internationally recognized border

Asylum Seeker - is someone who is also seeking international protection from dangers in his or her home country, but whose claim for refugee status hasn’t been determined legally

Immigrant - is someone who makes a conscious decision to leave his or her home and move to a foreign country with the intention of settling there

While defining these groups is important for determining policy it has little impact on this week’s discussion of disease that impacts these groups regardless of the underlying cause of their displacement.

Understanding that not every person has a medical background we can look at these groups from the perspective of causation and correlation. So, what are the correlations of these groups. We can make some assumptions that these groups were impacted by violence, poverty, or some other significant threat. We now have entire populations of people that are without medical care, adequate nutrition and hydration, or sanitation. These factors are in essence the “perfect storm” for disease transmission. The diseases that impact the displaced are predominately person-to-person, or vector-borne and a variety of diseases are quite opportunistic given the nature of living conditions seen in this group of people.

Why do we see particular diseases in displaced populations? To answer this question lets look at the similarities of these populations. First, what is the underlying cause of the displacement. Poverty? Violence? Disaster? Whatever the cause for displacement we see a population that have negative health impacts simply from moving from one location to another. For example, are these populations well fed. Do they have proper immunizations from their host location and for their new location? What is their underlying health? Do they have appropriate protections from disease vectors? As we answer these questions, we can begin to piece together a variety of diseases that would thrive in these displaced populations.

So, how do we as emergency managers manage this information and more importantly save lives. First, we can learn about disease or employ experts that understand diseases of the displaced. Next, we need to plan appropriately and address the methods that allow proliferation of disease. Lastly, we need to address long-term courses of action that address the underlying causes of displacement. Although, this last discussion point is incredibly difficult to achieve and has a number of tangential actions outside the purview of emergency/disaster management but it is an opportunity to begin a discussion and more importantly define actions.

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Internally displaced populations and refugees are often corralled into camps. In these camps, people are subjected to close-quarter living arrangements, limited accessibility to potable water, and insufficient sanitation and hygienic measures (Hermans et al., 2018). These conditions provide an almost ideal environment for the transmission of disease. One account of a refugee camp in Greece outlined that there was an “absence of running water and electricity” (Duke University, 2018). Similarly, in France, journalists reported that “the camp was infested with rats, the water was contaminated with feces, and tuberculosis was rampant” (Duke University, 2018). Keep in mind that these are the conditions found in developed countries and they are likely worse in underdeveloped nations. The most common medical concern in the Lesbos refugee camp in Greece was upper respiratory tract infection (Hermans et al., 2018). Additionally, many vaccinepreventable diseases (VPDs) are common in camps, including “measles, polio, and depending on geographical location, meningococcal meningitis, yellow fever, hepatitis A, and cholera” (Lam, Mccarthy & Brennan, 2015). Hermans et al. (2018) also cited that the lack of an effective vaccination program contributes to the spread of these diseases. Similarly, the United Nations High Commissioner for Refugees (UNHCR) (2018) states that 92.3% of the diagnoses given at refugee health screenings were communicable diseases, and that “the top five causes of morbidity were upper respiratory tract infections (24.7%), malaria (22.1%), lower respiratory tract infections (11.4%), skin diseases (6.7%) and watery diarrhea (5.7%)”. They also published that there is an average of 22 people per latrine at the camps they monitor (UNHCR, 2018). Conversely, another source reported that “The highest infectious disease prevalence in refugee and asylum seeker populations have been reported for latent tuberculosis (9– 45%), active tuberculosis (up to 11%), and hepatitis B (up to 12%)” (Eiset & Wejse, 2017). From all of these sources, we can gather that respiratory tract infections are consistently the most prevalent in camps for refugees and internally displaced persons, with gastrointestinal (GI) issues, skin disease, and VPDs accounting for a percentage of morbidity as well. It’s likely that the upper and lower respiratory tract infections are caused by the cramped living conditions, which facilitate the transfer of viruses and bacteria via coughs and sneezes, in addition to malnutrition weakening the immune systems of the refugees. Malaria, on the other hand, cannot be spread from person-to-person. Rather, it is spread via mosquito bites that are infected with the parasite. The high rates of malaria indicate that there are either limited protections in place for refugees at their campsite, or that they come to campsites already infected. Hepatitis B can be transmitted via contact with infectious bodily fluids and unprotected sex. Diarrheal and GI diseases could be caused by any type of infection or contaminated water supply. Based on my limited healthcare experience and knowledge of infectious diseases, there are a couple of key steps that could be taken to prevent the proliferation of disease in these camps: 1. 2. 3. 4. 5. 6. 7. 8. Allocate more space/person Establish a quarantine area for symptomatic patients Change layouts of camps to prevent water contamination Enforce hygiene standards (hand sanitizer before meals, after the latrines, etc.) Vaccination campaigns for preventable disease Brief screenings prior to admittance (temperature, signs of respiratory infection, etc.) STI prevention through the distribution of condoms/other barrier devices Allocate mosquito nets in areas malaria is common I recognize that these actions will all have a cost associated with them and may not be economically feasible. Unfortunately, I was unable to find any studies specifically on the cost of prevention vs. treatment for refugee camps. The UNHCR (2018) did report, however, that there were more than 7.5 million health consultations performed. Performing pre-screenings and enforcing quarantines may prevent the spread of disease and reduce the economic impact of those consultations so the money can be redirected towards disease prevention and screening. Additionally, the solutions I proposed may not be culturally appropriate depending on the demographics of the refugee camp, in which case humanitarian workers will have to employ some of the strategies and tactics that we discussed in our last discussion board. If anyone has any other suggestions, feel free to add to my list! References Centers for Disease Control and Prevention. (2019, June 24). FastStats - Leading Causes of Death. Retrieved from https://www.cdc.gov/nchs/fastats/leading-causes-ofdeath.htm. Duke University. (2018, March 28). Refugee Camps: Poor Living Conditions and their Effects on Mental Health. Retrieved from https://sites.duke.edu/refugeementalhealth/2018/03/27/refugee-camps-poor-livingconditions-and-their-effects-on-mental-health/. Eiset, A. H., & Wejse, C. (2017). Review of infectious diseases in refugees and asylum seekers—current status and going forward. Public Health Reviews, 38(1). doi: 10.1186/s40985-017-0065-4 Hermans, M. P. J., Kooistra, J., Cannegieter, S. C., Rosendaal, F. R., Mook-Kanamori, D. O., & Nemeth, B. (2017). Healthcare and disease burden among refugees in longstay refugee camps at Lesbos, Greece. European Journal of Epidemiology, 32(9), 851–854. doi: 10.1007/s10654-017-0269-4 Lam, E., Mccarthy, A., & Brennan, M. (2015). Vaccine-preventable diseases in humanitarian emergencies among refugee and internally-displaced populations. Human Vaccines & Immunotherapeutics, 11(11), 2627–2636. doi: 10.1080/21645515.2015.1096457 UNHCR. (2018). UNHCR Public Health 2018 Annual Global Overview. Retrieved from https://his.unhcr.org/ar2018/. Displaced populations are incredibly vulnerable to a number of infectious disease outbreaks. When disasters strike, existing health infrastructure is stressed, and communities loose access to treatment of pre-existing conditions and preventative health. For example, when Ebola struck West Africa in 2014, the existing health care system came to a complete stop—those with diseases such as TB no longer had access to their treatment and became even more exposed. Vaccine campaigns for childhood illnesses also stopped, which allowed for the rise of highly contagious illnesses such as measles (Shrivastava, Shrivastas, & Jegadeesh, 2015). While decreased access to health infrastructure increases the vulnerability of displaced populations, situations that require emergency relocation also set the stage for continued health risks. The close quarters and lack of sanitation in some emergency housing situations increase the risk for the spread vaccine preventable diseases that are spread by contact or unfavorable sanitization conditions- such as Hepatitis B, MMR, cholera, meningitis, and yellow fever. (Lam, Mccarthy, & Brennan, 2015) (Piarroux, Barris, Haus, Piarroux, & Gaudart, 2011) One important factor to be especially aware of as an international aid worker is the risk you bring to others who are either not exposed to diseases that you are due to geography. For example, the county of Haiti never had Cholera outbreaks until after the 2009 Earthquake. Studies now indicate that the cholera outbreak started via an humanitarian aid worker, and was exacerbated by the lack of access to clean water and sanitation. The outbreak became its own disaster in the shadow of the earthquake-over 700,000 Haitians were infected, and approximately 9000 people died from the preventable disease. The cholera outbreak was then difficult to control and spread rapidly, despite the availability of a vaccine. Disbursement of the cholera vaccine was complicated because it required cold-chain storage, which means you need to have electricity and the ability to keep the vaccine at a certain temperature until it is ready to administer. The earthquake’s destruction made the cold-chain process even more complicated. (Piarroux, Barris, Haus, Piarroux, & Gaudart, 2011) While any disaster situation makes access to preventative health difficult, it is important to get preventative health initiatives back up and running as soon as possible after a disaster. Prevention is the best way to decrease the spread of contagious diseases. In a refugee camp situation, it is important to ensure each person goes through a basic medical screening exam prior to entering the camp. People exhibiting symptoms of infectious diseases, even a simple cold, should be kept separate from the general population until symptoms resolve. During the medical screening exam, vaccination history should be obtained and appropriate vaccinations should be given prior to entering the camp. Obviously, prevention can be a tough sell, especially in a low-resource setting, however most studies indicate that prevention is substantially less expensive than treating an infectious disease outbreak. (Eiset & Wejse, 2017) In addition to medical screening and vaccine administration, education regarding basic hygiene can go a long way. The provision of handwashing station and supplies, along with culturally appropriate education, can prevent the spread of many diseases such as cholera, RSV, the flu, and the common cold. One teaching method I have found particularly beneficial for handwashing involves taking a piece of bread and passing it around in a circle. You then allow the bread to sit and grow mold and bacteria from everyone’s hands for a few days. It is a very simple visual of basic germ theory and helps drive home the “why” behind the importance of handwashing, which can substantially reduce the transmission of contagious diseases. References Eiset, A. H., & Wejse, C. (2017). Review of infectious diseases in refugees and asylum seekers-- current status and going forward. Public Health Reviews, 38(1). doi:10.1186/s40985-017-0065-4 Lam, E., Mccarthy, A., & Brennan, M. (2015). Vaccine-preventable diseases in humanitarian emergencies among refugee and internally-displaced populations. Human Vaccines & Immunotherapeutics. 11(11), 2627-2636. doi:10.1080/21645515.2015.1096457 Piarroux, R., Barris, R., Haus, R., Piarroux, M., & Gaudart, J. (2011). Understanding the cholera epidemic, Haiti. Emerging Infectious Diseases, 17:1161-8. Shrivastava, S., Shrivastas, P., & Jegadeesh, R. (2015). LEgacy of Ebola outbreak: potential risk of measles outbreak in Guinea, SIerra Leone and Libera . J Res Med Sci, 20:529-30. REVIEW Human Vaccines & Immunotherapeutics 11:11, 2627--2636; November 2015; © 2015 Taylor & Francis Group, LLC Vaccine-preventable diseases in humanitarian emergencies among refugee and internally-displaced populations Eugene Lam1,*, Amanda McCarthy2, and Muireann Brennan1 1 Emergency Response and Recovery Branch; Division of Global Health Protection; Center for Global Health; Centers for Disease Control and Prevention; Atlanta, GA USA; 2 Department of Global Epidemiology; Rollins School of Public Health; Emory University; Atlanta, GA USA Keywords: civil conflicts, displacement, humanitarian emergency, immunizations, internally displaced persons, outbreaks, refugees, vaccines Humanitarian emergencies may result in breakdown of regular health services including routine vaccination programs. Displaced populations including refugees and internally displaced persons are particularly susceptible to outbreaks of communicable diseases such as vaccine-preventable diseases (VPDs). Common VPDs encountered in humanitarian emergencies include measles, polio, and depending on geographical location, meningococcal meningitis, yellow fever, hepatitis A, and cholera. We conducted a review of 50 published articles from 2000 to 2015 concerning VPDs in humanitarian emergencies. This article provides an update on the available literature regarding vaccinations among this highly vulnerable population and describes the unique challenges of VPDs during humanitarian emergencies. Humanitarian emergencies place affected populations at risk for elevated morbidity and mortality from VPDs due to creation or exacerbation of factors associated with disease transmission such as mass population movements, overcrowding, malnutrition, and poor water and sanitation conditions. Vaccination is one of the most basic and critical health interventions for protecting vulnerable populations during emergencies. Growing insecurity, as seen in the increasing number of targeted attacks on health workers in recent years, as well as destruction of cold chain and infrastructure for transportation of supplies, are creating new challenges in provision of life saving vaccines in conflict settings. Population displacement can also threaten global VPD eradication and elimination efforts. While highly effective vaccines and guidelines to combat VPDs are available, the trend of increasing number of humanitarian emergencies globally poses new and emerging challenges in providing vaccination among displaced populations. Introduction Humanitarian emergencies may result in breakdown of regular health services including routine vaccination programs.1 According to the United Nations High Commissioner for *Correspondence to: Eugene Lam; Email: elam@cdc.gov Submitted: 06/10/2015; Revised: 09/11/2015; Accepted: 09/16/2015 http://dx.doi.org/10.1080/21645515.2015.1096457 www.tandfonline.com Refugees (UNHCR), there were 51.2 million people displaced by the end of 2013 due to conflict situations.2 In 2014, there were 4 Level 3 large-scale emergencies which led to the displacement of 5.5 million people in the Central African Republic, Iraq, South Sudan and Syria; this was in addition to a number of other crises in the Democratic Republic of the Congo (DRC), Libya, Nigeria, Somalia, and Ukraine.2 Displaced populations may include refugees who flee to escape a crisis by crossing recognized international borders and internally displaced persons (IDPs) who flee but remain within the borders of their own country. Security issues and logistic challenges associated with emergency settings can hamper the ability of affected populations to access routine health services and receive a complete series of recommended vaccinations. In certain emergencies, health services may be destroyed all together. Disruption of immunization services increases the number of susceptible individuals and the likelihood of outbreaks of vaccine-preventable diseases (VPDs).3 VPDs reported in the literature during humanitarian emergencies include measles, polio, and depending on geographical location, meningococcal meningitis, yellow fever, hepatitis A, and cholera. Camp settings, especially informal ones, increase a population’s susceptibility to VPD’s due to over-crowding, suboptimal living conditions, poor nutrition, scarcity of safe water and sanitation, and poor nutritional status.3,4 Furthermore, the forced migration of populations may exacerbate pre-existing health conditions. Risk factors for outbreaks are inextricably linked to excess risk of morbidity and mortality from VPDs, the reduction of which is the aim of public-health interventions during humanitarian crises. The 2013 publication by the World Health Organization (WHO) Strategic Advisory Group of Experts on Immunization (SAGE) on vaccination in acute humanitarian emergencies was the first WHO document to provide a framework on decision making regarding vaccination strategies in emergencies.5 This review article aims to build on the WHO SAGE framework by providing a more current review of the available literature on VPDs among refugees and IDPs. The objectives of this article are to describe the risk factors for outbreaks of VPDs in emergency settings, key issues and challenges related to vaccination activities, and possible solutions to crisis-related impacts on vaccination efforts among displaced populations. Human Vaccines & Immunotherapeutics 2627 Methods We searched the PubMed database for articles published from January 1st, 2000 to March 18th, 2015, providing a 15-year overview of VPDs among refugees and IDPs. Figure 1 provides the search terms used and the selection process of articles. The initial search term results with restriction to the 15 year time frame yielded 484 results, which were further reduced to 305 articles when accounting for articles only in English and related to human subjects. Review of the articles and abstracts further narrowed the search to 50 original articles, literature reviews, and published perspective pieces such as commentaries and letters to the editor. We defined a humanitarian crisis as a socio-political conflict or instability that threatened a population’s safety and well-being by increasing morbidity and mortality above baseline and resulting in significant breakdown of national authority. We selected articles that addressed refugees or IDPs in the acute emergency phase as well as in the long-term phase recognizing that some crises may become protracted for years. Articles addressing influenza or H1N1 pandemic situations were excluded from this review as influenza vaccines are not often recommended in emergency situations. We excluded articles focused on natural disasters because the response to these events may differ from that of humanitarian emergencies. Articles focused on refugee resettlement were excluded because health issues and resources available to migrants may differ from those of refugees and IDPs. Articles addressing vaccinations among responders, national preparedness activities, capacity building, and serological surveys were also excluded. Results All articles from the final search results were grouped by disease and refugee or IDP status for review. A summary of the articles categorized by VPD and displacement status is presented in Table 1 and a reference list of articles by VPD, authors, and title in Table 2. The following provides a summary of the literature review according to various VPD groupings from the search term results. Measles, mumps, and rubella Measles is a well-documented epidemic-prone VPD in the emergency context. An assessment of risk factors for measles mortality in a 2011 outbreak among Somali refugees in Kenya found that gastrointestinal and respiratory complications of measles were common, and increased mortality was associated with malnutrition and neurologic complications.6 This was compounded by factors related to severe famine and drought and an intensified civil war resulting in mass population displacement from Somalia to neighboring countries. Case fatality rates (CFR) of measles cases among displaced populations are often higher than those observed in stable populations.3,4,6 Recommendations for case management include vitamin A supplementation, enrollment in feeding programs if necessary, as well as oral rehydration and/or antibacterial treatment as needed.4,7 However, diagnosis and 2628 management of severe measles complications in refugee camps and other resource-limited settings can be extremely difficult; therefore every effort should be made to achieve >95% 2-dose measles vaccination coverage to prevent outbreaks as an effective alternative.6 We reviewed articles related to measles outbreaks among displaced populations in Tanzania, Ivory Coast, Darfur, Ethiopia, Somalia and Kenya.8-11 Movement of new arrivals into a refugee camp may introduce measles transmission. For example, initial cases in concurrent measles outbreaks in the Dollo Ado refugee camp in Ethiopia and the Dadaab refugee camp in Kenya during 2010 and 2011 were likely new arrivals from Somalia, a country that was also experiencing an ongoing measles outbreak.11,12 A 2000–2001 outbreak of measles in 4 established Burundi refugee camps in Tanzania was an extension of an outbreak in Burundi and precipitated by a large influx and inadequate vaccination of new arrivals.9 Therefore, priority should be placed on disease surveillance to camp areas with the newest refugee arrivals where timely and reliable disease reporting is likely to be weakest.6 Although camp conditions are common risk factors for measles transmission, movement between camp and host populations also contributes to measles outbreaks.9-11,13 Close interactions between Liberian refugees and Ivorian host community in the urban setting of Abidjan contributed to an outbreak of measles and rubella in 2003 and 2004 in transit camps within Ivory Coast.10 When both the displaced and host communities have apparent immunity gaps for VPDs, it is therefore recommended to vaccinate both groups of susceptibles, as was done in the mass measles vaccination efforts of both refugee and non-displaced populations in Abidjan.10 Although not always possible due to political and security reasons, establishment of transit and reception centers at crossing points can ensure timely screening of those with measles and help provide appropriate case management during mass population movement.6 Various target age-groups were reported for measles vaccination campaigns in the available literature within the African region.11,14,15 Over the past 15 years, increasing consideration in examining the local epidemiology and context of measles virus transmission in various settings are reflected in the evoluation of recommendations and different target age groups in outbreak response.16 Collaboration with key agency and community partners are also crucial in outbreak response vaccination strategies. In 2004, grassroots community organizations and mass media were engaged to social mobilize IDP camps of West and North Darfur for a measles vaccination campaign targeting those aged 9 months to 15 years.8 Given the insecurity in Western Darfur and limited access due to the rainy season, this large-scale vaccination campaign was made possible through stakeholder cooperation including negotiations with opposition forces which allowed for vaccinations to take place in hard-to-reach areas.8,15 Outbreaks of rubella and mumps have also been reported among displaced populations. In the 2003–2004 measles and rubella outbreak in Ivory Coast transit camps, incidence of rubella was highest among children aged 5–15 years old. Cases among relatively older children may have resulted from limited Human Vaccines & Immunotherapeutics Volume 11 Issue 11 Figure 1. Literature search inclusion and exclusion criteria. www.tandfonline.com Human Vaccines & Immunotherapeutics 2629 Table 1. Summary of articles by vaccine-preventable diseases and population type By disease Polio Measles Rubella Mumps Meningitis Yellow Fever Hepatitis A Hepatitis B Hepatitis E Rotavirus Cholera Tetanus Pneumococcus Varicella Total* Refugees IDPs Both 4 7 1 0 1 1 1 0 0 1 4 1 1 1 25 1 5 0 1 2 1 0 1 2 0 1 0 0 0 17 0 4 0 0 1 0 0 0 1 0 0 0 0 0 8 *Total reflects number of articles; some articles addressed multiple antigens Abbreviations: IDPs D internally displaced persons. exposure to infection when living in remote areas.10 This study also highlights the importance of testing for both measles and rubella in febrile rash outbreaks in refugee settings. In addition, index cases among refugees were not vaccinated in transit camps on arrival; these situations highlight the importance of early vaccination upon arrival at camps according to existing guidelines.17 From 2003 to 2005, a large mumps outbreak among 6 to 15 year olds was reported in Palestinian refugee camps. While mumps remained endemic in the Palestinian West Bank, cases among individuals born after 1994 with historical vaccination coverage over 85% suggested inadequate protection against mumps with only one dose of measles-mumps-rubella (MMR) vaccination. As a result of this mumps outbreak, a campaign using MMR vaccine took place in May of 2005 targeting grades 1–12 and college students.18 Polio Despite significant progress in the global polio eradication efforts, outbreaks of poliomyelitis can take place in displaced populations until poliovirus transmission is stopped in all countries globally. Due to political instability, inadequate sanitation, and displacement of unvaccinated individuals in highly dense urban centers, a polio outbreak took place in Luanga province of Angola.19 In addition, the presence of landmines and collapsed infrastructure resulted in reduced access to health services in many districts of the country. This outbreak highlights the impact of war on access to routine immunizations and vaccination campaigns for all children during periods of conflict and displacement. In 2015, only 3 countries continue to have endemic circulation of wild polio virus: Afghanistan, Pakistan, and Nigeria, and the last reported WPV case in Nigeria was in July 2014. After airstrikes in Afghanistan in 2001, Afghani refugees were expected to enter Pakistan thereby raising concerns of increasing transmission of polio between the 2 countries.20,21 As 2630 a result, National Immunization Days were conducted in Pakistan and Afghanistan in September of 2001 vaccinating over 30 million children under the age of 5 years. Moreover, all incoming refugee children were preemptively vaccinated against polio and measles in Pakistan.21 After more than 10 years without polio, laboratory-confirmed cases reemerged in Syria in 2013 due to recent conflicts, following confirmation of poliovirus in the sewers of Egypt, Israel, and West Bank, Gaza. 22 Outbreaks can provide opportunities to sensitize populations at risk and strengthen eradication efforts. In addition to the local outbreak response immunization efforts in Syria, regional vaccination responses were launched in surrounding countries of Lebanon, Jordan, Turkey, Palestine, and Egypt. Another example of a post-outbreak opportunity to eradicate poliomyelitis was the response to a 2013 outbreak of wild polio virus that took place in the Horn of Africa.23 As part of the vaccination response, a combined inactivated poliovirus (IPV) and oral poliovirus vaccine (OPV) campaign targeting children under 5 years of age took place in refugee camps and surrounding communities near the Kenya-Somalia border.23 The addition of IPV in the response was to boost population immunity among children who have received OPV to ensure interruption of any residual polio virus transmission and prevent any future outbreaks from new importations. Meningitis Meningitis outbreaks can have significant economic and psychological impacts on households and communities, particularly when the majority of cases are among adults and adolescents. In endemic situations, meningococcal meningitis mostly affects young children; however, persons aged 15 to 29 years old were the most affected in the outbreaks reported among displaced populations in Angola. The greater number of cases in this older age group is not unusual in epidemics within areas of high density such as refugees and IDP camps. The International Coordinating Group on Vaccine Provision for Epidemic Meningitis Control is tasked with maintaining an emergency vaccine stockpile to respond to meningitis outbreaks globally.24 In the Yambala area in Angola, insecurity constrained outbreak response immunization activities and disease transmission in inaccessible areas stopped only with the onset of the rainy season. Population movement across borders also raised concerns about the spread of disease outside of the meningitis belt. Six meningococcal meningitis outbreaks in Angola affected displaced populations during the civil conflict.25 Mass population movements due to civil war, rampant urbanization, and formation of informal camps and settlements contribute to meningococcal disease transmission. Economic decline and the collapse of public health and health service infrastructure in Angola highlighted the crisis-related impacts of implementing surveillance and outbreak response to communicable diseases. After a large influx of Sudanese refugees into camps in Northern Uganda in 1994, there were 2 consecutive outbreaks of group A meningococcal meningitis.26 Maintaining effective surveillance system in refugee settings was proved difficult with competing health care priorities including concurrent epidemics of measles Human Vaccines & Immunotherapeutics Volume 11 Issue 11 Table 2. Reference list of articles by vaccine-preventable disease, authors, and title Author Year Published Valente, F., et al. 2000 Ahmad, K. Mohammadi, D. Sheikh, M. A., et al. 2001 2013 2014 Bonn, D. Kamugisha, C., et al. Talley L, Salama P. 2001 2003 2003 WHO WER CDC MMWR Mupere, E., et al. 2004 2004 2005 Guerrier, G., et al. 2009 Kouadio, I. K., et al. 2010 Kamadjeu, R., et al. 2011 Grais, R. F., et al. 2011 WHO WER Polonsky, J. A., et al. 2012 2013 Mahamud, A., et al. 2013 Navarro-Colorado, C., et al. 2014 Kaiser, R. 2014 Kouadio, I. K., et al. Hindiyeh, M. Y., et al. 2009 2009 Santaniello-Newton, A., Hunter, P. R. Gaspar, M., et al. Iriso, R., et al. 2000 2001 2008 WHO WER 2014 Nathan, N. Huhn, G. D., et al. 2001 2006 Kaic, B., et al. Alavian, S. M., et al. Boccia, D., et al. 2001 2007 2006 CDC MMWR 2013 Ope, M., et al. 2014 Chaignat, C. L., Monti, V. 2007 Verma, R., et al. Porta, M. I., et al. 2012 2014 Martin, S., et al. 2014 Name of Article Massive outbreak of poliomyelitis caused by type-3 wild poliovirus in Angola in 1999. Fears that Afghan exodus threatens polio eradication Middle Eastern countries scramble to stop spread of polio Combined use of inactivated and oral poliovirus vaccines in a large-scale campaign in refugee camps and host communities Infectious diseases threaten refugees entering Pakistan. An outbreak of measles in Tanzanian refugee camps Short report: assessing field vaccine efficacy for measles in famine-affected rural Ethiopia. Prevention of measles deaths in Darfur, Sudan. Emergency measles control activities–Darfur, Sudan Impact of emergency mass immunisations on measles control in displaced populations in Gulu district, northern Uganda. Malnutrition and mortality patterns among internally displaced and nondisplaced population living in a camp, a village or a town in Eastern Chad. Measles outbreaks in displaced populations: a review of transmission, morbidity and mortality associated factors Measles control and elimination in Somalia: the good, the bad, and the ugly. Measles vaccination in humanitarian emergencies: a review of recent practice Measles–Horn of Africa High levels of mortality, malnutrition, and measles, among recentlydisplaced Somali refugees in Dagahaley camp, Dadaab refugee camp complex, Kenya, 2011. Risk factors for measles mortality among hospitalized Somali refugees displaced by famine, Kenya, 2011. Measles outbreak response among adolescent and adult Somali refugees displaced by famine in Kenya and Ethiopia, 2011. Emergency settings: be prepared to vaccinate persons aged 15 and over against measles Outbreak of measles and rubella in refugee transit camps. Characterization of large mumps outbreak among vaccinated Palestinian refugees Management of an outbreak of meningococcal meningitis in a Sudanese refugee camp in Northern Uganda. Epidemiology of meningococcal meningitis in Angola, 1994–2000 Bacterial meningitis following introduction of Hib conjugate vaccine in northern Uganda. Meningococcal disease control in countries of the African meningitis belt, 2013. Shortage of vaccines during a yellow fever outbreak in Guinea. Vaccination coverage survey versus administrative data in the assessment of mass yellow fever immunization in internally displaced persons–Liberia, 2004. Hepatitis A control in a refugee camp by active immunization. The changing epidemiology of viral hepatitis B in Iran. High mortality associated with an outbreak of hepatitis E among displaced persons in Darfur, Sudan. Investigation of hepatitis E outbreak among refugees - Upper Nile, South Sudan, 2012–2013 Rotavirus enteritis in Dadaab refugee camps: implications for immunization programs in Kenya and Resettlement Countries. Use of oral cholera vaccine in complex emergencies: what next? Summary report of an expert meeting and recommendations of WHO. Cholera vaccine: new preventive tool for endemic countries. Feasibility of a preventive mass vaccination campaign with 2 doses of oral cholera vaccine during a humanitarian emergency in South Sudan Post-licensure deployment of oral cholera vaccines: a systematic review. Vaccine-Preventable Disease Polio Polio Polio Polio Polio, Measles Measles Measles Measles Measles Measles Measles Measles Measles Measles Measles Measles Measles Measles Measles Measles, Rubella Mumps Meningitis Meningitis Meningitis Meningitis Yellow fever Yellow fever Hepatitis A Hepatitis B Hepatitis E Hepatitis E Rotavirus Cholera Cholera Cholera Cholera (Continued on next page) www.tandfonline.com Human Vaccines & Immunotherapeutics 2631 Table 2. Reference list of articles by vaccine-preventable disease, authors, and title (Continued) Author Year Published WHO WER 2014 Howard, N., et al. Moszynski, P. 2011 2013 Shimakawa, Y., et al. Morris, K. Koop, D. G., et al. 2010 2000 2001 Leus, X., et al. Bhatia, S., et al. Connolly, M. A., et al. Avogo, W. A., Agadjanian, V. Moodley, K., et al. 2001 2002 2004 2010 2013 Caplan, A. L., Curry, D. R. Devi, S. 2015 2015 Name of Article Oral cholera vaccine campaign among internally displaced persons in South Sudan. Reproductive health for refugees by refugees in Guinea III: maternal health. Refugees in South Sudan to receive pneumococcal vaccine after delays over price. Outbreak of chickenpox in a refugee camp of northern Thailand. Agency warns of crisis in beleaguered Democratic Republic of Congo. Results of the expanded program on immunization in the Macedonian refugee camps. Internally displaced persons A social and demographic study of Tibetan refugees in India. Communicable diseases in complex emergencies: impact and challenges Forced migration and child health and mortality in Angola. Ethical considerations for vaccination programmes in acute humanitarian emergencies. Refugees, humanitarian aid and the right to decline vaccinations Long-term planning needed for Iraq’s displaced. Vaccine-Preventable Disease Cholera Tetanus Pneumococcus Varicella General General General General General General General General General Abbreviations: CDC, Centers for Disease Control and Prevention; MMWR, Morbidity and Mortality Weekly Report; WHO, World Health Organization; WER, Weekly Epidemiological Report. and malnutrition. As part of the response, mass vaccination of 1 to 30 year olds was successfully conducted to control the initial outbreak. The decision to extend the upper limit of the target age-group to 30 years was based on analysis of age-specific attack rates. The sudden influx of refugees overwhelmed screening at registration resulting in 11,000 refugees not being screened or vaccinated upon arrival. This may have led to the second consecutive meningitis outbreak that required a catch-up vaccination campaign in 1995. However, this outbreak demonstrated the effectiveness of rapid mass vaccination campaigns with high coverage in controlling outbreaks of serogroup A meningococcal meningitis among refugee population. Cholera and rotavirus Diarrheal diseases are one of the leading causes of death among children under 5 years of age in emergency settings. Rotavirus has not been well studied among displaced populations. WHO recommends introduction of rotavirus vaccine into national immunization programs for countries where diarrheal deaths account for 10% of mortality among children under 5 years of age. In 2011, a diarrheal disease surveillance system implemented in the Dadaab refugee camp in Kenya found rotavirus circulating year-round with 23% of children under 5 years of age presenting with diarrhea in a health facility to be infected with rotavirus.27 This study supports the use of rotavirus vaccination in refugee camps; however, additional evaluation in other refugee settings is needed to provide further evidence of its efficacy among refugee populations. Several oral cholera vaccines (OCV) have been developed as a public health intervention for vulnerable populations in emergency settings.28,29 Mass vaccinations with OCV acquired from the global stockpile have been used in several emergency contexts to prevent outbreaks of cholera in camp situations.28-32 A meeting among WHO experts noted that OCV could be used as a 2632 preventive intervention in humanitarian emergencies.29 Further studies are needed to determine the possible cost-benefit of OCV, number of doses needed for adequate protection, and best practices for cold chain implementation in the emergency context.29 In 2012–2014 the first use of the global OCV stockpile was conducted in OCV campaigns in IDP camps and surrounding communities in South Sudan during a humanitarian crisis. The OCV campaigns were completed through fixed outreach posts and mobile door-to-door teams targeting individuals >1 year of age, excluding pregnant women.31,33 Distribution of vaccination cards were used to track immunization status, and soap as an incentive to receive the second OCV dose.31,32 However, despite the success of campaigns, there were security, logistical, and financial challenges related to the 2 dose administration schedule as well as weakened cold chain capacity due to the ongoing conflict.31 Furthermore, additional costs were required to transport OCV via charter flights due to insecurity. Curfew and access constraints limited staff movement and resulted in restricted and delayed operations. This study showed that mass OCV campaigns in emergency settings is possible but not without additional human resources, cold-chain capacity, logistical and communications support from all relevant partners.31 Yellow fever The mosquito vector Aedes aegypti for yellow fever thrives in densely-populated areas such as urban areas and camps. In 2004, 2 yellow fever mass vaccination campaigns were launched in IDP camps and surrounding communities in Liberia after reports of 4 lab-confirmed cases.33 Due to the 14 years of civil war, much of Liberia’s healthcare infrastructure, public health disease surveillance, and immunization programs were severely disrupted. Survey assessment of vaccination coverage reported 90% by selfreport and 80% by proof of vaccination card. The success of the Human Vaccines & Immunotherapeutics Volume 11 Issue 11 mass vaccination efforts among IDPs required intensive social mobilization, efficient logistical networks, well-trained health staff, and safe vaccine delivery.33 During a time Liberian and Sierra Leonean refugees and IDPs were in Guinea, a yellow fever outbreak was reported with 688 cases and 225 deaths (CFR 33%) in 2000.34 Movement through the forested areas of Guinea where yellow fever is endemic into densely-populated camps and urban areas may have led to increased transmission. In addition, this outbreak highlighted at that time the global shortage of available yellow fever vaccines, which ultimately resulted in the creation of the UNICEF stockpile of 2 million doses of yellow fever vaccine to be used in response to future outbreaks. Hepatitis A and E Several types of viral hepatitis were noted among displaced populations in our review. In 1999, a hepatitis A outbreak among Kosovar refugees in Croatia was primarily a result of poor sanitation and housing.35 Outbreak response included sanitation improvement, health education, screening of children 1–15 years of age and vaccination for seronegative children. Serological studies conducted 4 weeks post-vaccination reported 97% seroconversion. The authors suggested active vaccination was a successful component in disrupting hepatitis A transmission in this refugee population.35 Hepatitis E virus (HEV) infection is generally a self-limiting condition with low fatality to the general population, although there is high case-fatality among pregnant women. In 2004, a HEV outbreak in Mornay IDP Camp, Darfur, reported a CFR of 33% among pregnant women highlighting the need for rapid interventions to prevent mortality in this special population.36 A 2012–2013 outbreak of HEV in the refugee camps of Maban County in South Sudan had a CFR of 10% among pregnant women.37 HEV transmission control often includes improvements to water and sanitation, clinical care, and surveillance. Although there is currently no HEV vaccine available globally, recent developments of a hepatitis E vaccine in China may have utility in controlling outbreaks among displaced populations.38 The vaccine has yet to achieve WHO prequalification and requires further studies regarding safety in children and pregnant women. Additional research is needed to assess appropriate dosing regimen and efficacy of HEV vaccine to control outbreaks among refugees and IDPs. Varicella Varicella is not included in most national routine vaccination programs, though outbreaks may be of particular concern among displaced populations in tropical settings. While the majority of individuals in temperate climates develop natural immunity from previous infection before adolescence, high levels of seronegativity are typically still observed among adults in tropical regions. Adults infected with varicella may suffer from increased disease severity and greater complications. Moving from rural areas of low population density to densely populated refugee camps may also increase transmission. In 2008, a varicella outbreak in refugee settings was documented among Lao Hmong refugees in www.tandfonline.com Thailand.39 The affected population was between 3 months and 53 years old in this outbreak with 14% of cases 15 years old or older. Moreover, hospitalizations occurred exclusively among adults aged 15 years. Preventive varicella vaccination may be warranted in refugee camps if epidemiological evidence suggests increased risk of an outbreak with high levels of morbidity. Routine immunizations Establishment of routine immunization services is not well studied in the emergency context. Three articles discussed integration of routine vaccination schedules of host country national expanded program on immunization (EPI) program for refugee populations.40-42 Tibetan refugees in India were provided routine childhood immunizations according to the national EPI schedule of the India Ministry of Health.40 The program reported challenges in delivery of vaccine to the target population, with less than half of the Tibetan refugee children reported as fully vaccinated.40 As a solution to improve routine immunization coverage among displaced populations, the Macedonian Ministry of Health delivered vaccines to Albanian Kosovar refugees living in camps and the surrounding communities through weekly mobile immunization clinics.42 In Guinea, more than 90% of Liberian and Sierra Leonean refugee mothers knew about tetanus vaccination during pregnancy, though only 11–42% utilized the free antenatal care in government facilities sponsored by UNHCR.41 EPI programs for refugees may differ between that of host nations and their countries of origin thereby creating both ethical and logistical challenges.43,44 Ethical concerns have also been raised regarding the ability of the host nations to deny humanitarian assistance to refugees refusing vaccinations during emergency situations. Such was the case in 2014 during the response of the governments of Lebanon, to resistance from Syrian refugees, and Pakistan, to Afghan refugees, in receiving polio vaccination upon entrance into camps.45 The authors argued that host governments and supporting agencies have the responsibility to require such vaccinations in humanitarian emergencies where the risk of VPD outbreaks can endanger both host and displaced communities. EPI programs can often become non-functional during humanitarian emergencies.46-48, To address this, multiple opportunities for vaccination, including child health days and catch-up vaccination campaigns, can be used to boost population immunity.48 Protracted emergencies reinforce the importance of thinking beyond the emergency mindset and including long-term strategies in basic health service provisions.48,49 WHO and other UN agencies can play a critical role in coordinating the establishment of regular health services, including routine immunizations, in situations where the national government is unwilling or unable to provide the necessary aid to IDPs.50 In regards to financing and use of newer vaccines among displaced populations, 2 articles mentioned the support of the Global Alliance for Vaccines and Immunization (GAVI) in acquiring Haemophilus influenza type b (Hib) and pneumococcal conjugate vaccine (PCV) in emergencies.51,52 GAVI has helped fund the provision of pentavalent vaccines for IDPs in Uganda from 2002 to 2006 and PCV for Yida refugee camp in South Sudan in 2013.51,52 Human Vaccines & Immunotherapeutics 2633 Discussion Mass population movement can increase risk of VPDs among IDPs, refugees, and host communities. Displaced populations can introduce endemic pathogens to a new place as well as make contact with new pathogens either on their journey or within the host community. The same conditions that increase transmission of communicable diseases—high prevalence of malnutrition, unsanitary conditions, population displacement, overcrowding, and lack of clean water—can result in VPD outbreaks and high rates of morbidity and mortality. The primary objective of vaccination in an acute humanitarian emergency is to rapidly reduce the risk of disease to protect a population during periods of extreme vulnerability.5 While the goals of vaccination during an acute phase of an emergency focus on limiting the number of preventable deaths, the goals of routine vaccination programs aim to ensure longterm protection against a given disease through progressive increase of population immunity. In particular, protracted emergencies need to consider reestablishing regular immunization services as soon as possible given the rapid accumulation of susceptible populations with missed opportunities of routine vaccinations. According to UNHCR, protracted camps with 25,000 or more displaced persons should implement routine services equivalent to host country immunization policies with occasional supplementary vaccination campaigns.11 Mass vaccination campaigns in camps may consider administering multiple antigens with the aim of reducing administrative and logistical costs.8,15,33 Forced migration may result in incomplete vaccinations of routine immunizations placing both the displaced and the host population at an elevated risk for contracting disease. In situations where the displaced population is unstable or there is frequent population movement, mobile clinics have been used to effectively achieve high vaccination coverage.23,33,34,42 Vaccination schedules in the country of origin may not always align with that of the host country, thereby creating challenges in providing interventions that are well understood by the displaced population. Intensive social mobilization is needed in situations where the perceived importance of vaccination is low.41 Opportunities for defaulter tracing activities and catch up campaigns should also be in place for those who may have missed routine vaccinations during the emergency. Destruction of cold chain equipment and infrastructure for transportation provide significant challenges to vaccination during humanitarian conflicts. Growing insecurities, as seen in the increasing number of targeted attacks on health workers in recent years during polio eradication efforts in Pakistan, can dramatically limit the ability of humanitarian players to provide the necessary vaccinations.53-55 These issues may be even more pronounced in IDP camps, where operations are within the borders of a country in conflict and the status of protection and assistance from the international community may not apply.50 Collaboration with defacto local authorities to deliver vaccination to chronically insecure areas are warranted at times.48 Other major challenges in addition to insecurity, logistical, and access issues encountered during emergencies may include 2634 insufficiently trained staff, insufficient supplies and equipment, communication issues and perception within the host community, and limited camp capacity after massive population influx.4,33 For example, observation of polio vaccination teams in 2013 in Kenya noted errors in the injection technique of IPV in the field and cold chain issues during the OPV and IPV combined campaign; thereby stressing the need for appropriate training of vaccinators and supervisors.23 In a 2014 mass OCV vaccination campaign in South Sudan, there was lower participation from men who believed vaccination was for women and children.33 There may be local resistance to the idea of expanding refugee or IDP camps to accommodate new arrivals that can lead to unplanned transition camps.11,56 In addition, new waves of displaced persons can come suddenly and overwhelm existing capacity. Guidelines to protect populations against VPDs in conflict settings include the UNHCR handbook for emergencies, the UNICEF’s code of conduct, the WHO SAGE framework document, and the Sphere handbook which includes internationally recognized principles and universal minimum standards for response to humanitarian emergencies.5,17,57,58 Recent WHO position papers also provide guidance on vaccinations during emergencies, including development of new OCVs and their safety, effectiveness, and efficacy profiles.59. WHO also released a new Meningococcal position paper in 2015 addressing the conjugate vaccine safety, schedule, and efficacy based on preventive mass campaigns, along with updated recommendations that are particularly relevant in the African meningitis belt.60 In 2012, polio was declared a global public health emergency; the WHO position paper on polio vaccination recommends the inclusion of one dose of IPV for routine immunization programs in countries using only OPV.61 Limitations of this review include possible omission of articles, as this review was restricted to articles written in English and available on PubMed. The articles were also restricted by publication date from 2000 to 2015. However, this review provides an update on the available literature regarding vaccinations among a highly vulnerable population and describes the unique challenges of VPDs during humanitarian emergencies. Further operational research is needed to evaluate the prioritization of public health interventions such as vaccinations, timing of implementation during the various phases of emergencies, and the use of newer vaccines including PCV, OCV, Hib, rotavirus, and pentavalent vaccines. Epidemic-prone VPDs are of particular concern during acute emergencies. Displaced populations are at an increased risk for outbreaks of VPDs due to creation or exacerbation of factors associated with disease transmission such as mass population movements, overcrowding, malnutrition, and poor water and sanitation conditions. Vaccination is one of the most basic and critical health interventions for protecting vulnerable populations during emergencies. While highly effective vaccines and guidelines to combat VPDs are available, the trend of increasing number of humanitarian emergencies globally poses new and emerging challenges in ensuring all susceptible individuals have access to life saving vaccines. Human Vaccines & Immunotherapeutics Volume 11 Issue 11 Disclosure of Potential Conflicts of Interest Acknowledgments None of the authors have a commercial or other financial interest associated with the information presented in this article. The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention. We would like to thank Jennifer Head, MPHc, and Anyie Li, MPHc, from the Rollins School of Public Health, Emory University, for their editorial assistance and help in review of the current literature. References 1. Morris K. Agency warns of crisis in beleaguered Democratic Republic of Congo. Lancet 2000; 355:210; PMID:10675131; http://dx.doi.org/10.1016/S01406736(05)72089-4 2. UNHCR Global Appeal 2015 Update. Geneva, Switzerland: United Nations, 2015. 3. Connolly MA, Gayer M, Ryan MJ, Salama P, Spiegel P, Heymann DL. Communicable diseases in complex emergencies: impact and challenges. Lancet 2004; 364:1974-83; PMID:15567014; http://dx.doi.org/ 10.1016/S0140-6736(04)17481-3 4. Kouadio IK, Kamigaki T, Oshitani H. Measles outbreaks in displaced populations: a review of transmission, morbidity and mortality associated factors. BMC Int Health Human Rights 2010; 10:5; PMID:20298611; http://dx.doi.org/10.1186/1472698X-10-5 5. SAGE. Vaccination in acute humanitarian emergencies: a framework for decision making. In: Immunization VaBI, ed. Geneva, Switzerland: World Health Organization, 2013. 6. Mahamud A, Burton A, Hassan M, Ahmed JA, Wagacha JB, Spiegel P, Haskew C, Eidex RB, Shetty S, Cookson S, et al. Risk factors for measles mortality among hospitalized Somali refugees displaced by famine, Kenya, 2011. Clin Infect Dis 2013; 57:e160-6; PMID:23821730; http://dx.doi.org/10.1093/cid/ cit442 7. Grais RF, Strebel P, Mala P, Watson J, Nandy R, Gayer M. Measles vaccination in humanitarian emergencies: a review of recent practice. Conflict Health 2011; 5:21; PMID:21942984; http://dx.doi.org/ 10.1186/1752-1505-5-21 8. Prevention of measles deaths in Darfur, Sudan. Releve epidemiologique hebdomadaire / Section d’hygiene du Secretariat de la Societe des Nations D Weekly epidemiological record / Health Section of the Secretariat of the League of Nations 2004; 79:344-8; PMID:15707083 9. Kamugisha C, Cairns KL, Akim C. An outbreak of measles in Tanzanian refugee camps. J Infect Dis 2003; 187 Suppl 1:S58-62; PMID:12721892; http://dx.doi. org/10.1086/368057 10. Kouadio IK, Koffi AK, Attoh-Toure H, Kamigaki T, Oshitani H. Outbreak of measles and rubella in refugee transit camps. Epidemiol Infect 2009; 137:1593-601; PMID:19379539; http://dx.doi.org/10.1017/ S0950268809002520 11. Navarro-Colorado C, Mahamud A, Burton A, Haskew C, Maina GK, Wagacha JB, Ahmed JA, Shetty S, Cookson S, Goodson JL, et al. Measles outbreak response among adolescent and adult Somali refugees displaced by famine in Kenya and Ethiopia, 2011. J Infect Dis 2014; 210:1863-70; PMID:25117754; http://dx.doi.org/10.1093/infdis/jiu395 12. Measles–Horn of Africa, 2010–2011. MMWR Morbidity and mortality weekly report 2012; 61:678-84. 13. Guerrier G, Zounoun M, Delarosa O, Defourny I, Lacharite M, Brown V, Pedalino B. Malnutrition and mortality patterns among internally displaced and nondisplaced population living in a camp, a village or a town in Eastern Chad. PloS one 2009; 4:e8077; PMID:19956627; http://dx.doi.org/10.1371/journal. pone.0008077 14. Mupere E, Onek P, Babikako HM. Impact of emergency mass immunisations on measles control in www.tandfonline.com 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. displaced populations in Gulu district, northern Uganda. East Afr Med J 2005; 82:403-8; PMID:16261916 Emergency measles control activities–Darfur, Sudan, 2004. MMWR Morbidity and mortality weekly report 2004; 53:897-9. Kaiser R. Emergency settings: be prepared to vaccinate persons aged 15 and over against measles. J Infect Dis 2014; 210:1857-9; PMID:25193980; http://dx.doi. org/10.1093/infdis/jiu463 The Sphere Handbook 2011: Humanitarian Charter and Minimum Standards in Humanitarian Response. Bourton on Dunsmore, UK: Practical Action Publishing, 2011. Hindiyeh MY, Aboudy Y, Wohoush M, Shulman LM, Ram D, Levin T, Frank T, Riccardo F, Khalili M, Sawalha ES, et al. Characterization of large mumps outbreak among vaccinated Palestinian refugees. J Clin Microbiol 2009; 47:560-5; PMID:19144793; http:// dx.doi.org/10.1128/JCM.01756-08 Valente F, Otten M, Balbina F, Van de Weerdt R, Chezzi C, Eriki P, Van-Dunnen J, Bele JM. Massive outbreak of poliomyelitis caused by type-3 wild poliovirus in Angola in 1999. Bull World Health Organ 2000; 78:339-46; PMID:10812730 Ahmad K. Fears that Afghan exodus threatens polio eradication. Lancet 2001; 358:1161; PMID:11597676; http://dx.doi.org/10.1016/S0140-6736(01)06306-1 Bonn D. Infectious diseases threaten refugees entering Pakistan. Lancet Infect Dis 2001; 1:214; PMID:11871501; http://dx.doi.org/10.1016/S14733099(01)00102-5 Mohammadi D. Middle Eastern countries scramble to stop spread of polio. Lancet 2013; 382:1621-2; PMID:24251324; http://dx.doi.org/10.1016/S01406736(13)62289-8 Sheikh MA, Makokha F, Hussein AM, Mohamed G, Mach O, Humayun K, Okiror S, Abrar L, Nasibov O, Burton J, et al. Combined use of inactivated and oral poliovirus vaccines in refugee camps and surrounding communities - Kenya, December 2013. MMWR Morb Mortal Wkly Rep 2014; 63:237-41; PMID:24647400 Meningococcal disease control in countries of the African meningitis belt, 2013. Releve epidemiologique hebdomadaire / Section d’hygiene du Secretariat de la Societe des Nations D Weekly epidemiological record / Health Section of the Secretariat of the League of Nations 2014; 89:206-14 Gaspar M, Leite F, Brumana L, Felix B, Stella AA. Epidemiology of meningococcal meningitis in Angola, 1994–2000. Epidemiol Infect 2001; 127:421-4; PMID:11811874; http://dx.doi.org/10.1017/ S0950268801006318 Santaniello-Newton A, Hunter PR. Management of an outbreak of meningococcal meningitis in a Sudanese refugee camp in Northern Uganda. Epidemiol Infect 2000; 124:75-81; PMID:10722133; http://dx.doi.org/ 10.1017/S0950268899003398 Ope M, Ochieng SB, Tabu C, Marano N. Rotavirus enteritis in Dadaab refugee camps: implications for immunization programs in Kenya and Resettlement Countries. Clin Infect Dis 2014; 59:v-vi; PMID:25551839 Verma R, Khanna P, Chawla S. Cholera vaccine: new preventive tool for endemic countries. Hum Vaccin Immunother 2012; 8:682-4; PMID:22634452; http:// dx.doi.org/10.4161/hv.19083 Human Vaccines & Immunotherapeutics 29. Chaignat CL, Monti V. Use of oral cholera vaccine in complex emergencies: what next? Summary report of an expert meeting and recommendations of WHO. J Health Popul Nutr 2007; 25:244-61; PMID:17985828 30. Martin S, Lopez AL, Bellos A, Deen J, Ali M, Alberti K, Anh DD, Costa A, Grais RF, Legros D, et al. Postlicensure deployment of oral cholera vaccines: a systematic review. Bull World Health Organ 2014; 92:88193; PMID:25552772; http://dx.doi.org/10.2471/ BLT.14.139949 31. Oral cholera vaccine campaign among internally displaced persons in South Sudan. Releve epidemiologique hebdomadaire / Section d’hygiene du Secretariat de la Societe des Nations D Weekly epidemiological record / Health Section of the Secretariat of the League of Nations 2014; 89:214-20 32. Porta MI, Lenglet A, de Weerdt S, Crestani R, Sinke R, Frawley MJ, Van Herp M, Zachariah R. Feasibility of a preventive mass vaccination campaign with two doses of oral cholera vaccine during a humanitarian emergency in South Sudan. Trans R Soc Trop Med Hyg 2014; 108:810-5; PMID:25311798; http://dx.doi.org/ 10.1093/trstmh/tru153 33. Huhn GD, Brown J, Perea W, Berthe A, Otero H, LiBeau G, Maksha N, Sankoh M, Montgomery S, Marfin A, et al. Vaccination coverage survey versus administrative data in the assessment of mass yellow fever immunization in internally displaced persons– Liberia, 2004. Vaccine 2006; 24:730-7; PMID:16182416; http://dx.doi.org/10.1016/j. vaccine.2005.08.077 34. Nathan N, Barry M, Van Herp M, Zeller H. Shortage of vaccines during a yellow fever outbreak in Guinea. Lancet 2001; 358:2129-30; PMID:11784630; http:// dx.doi.org/10.1016/S0140-6736(01)07185-9 35. Kaic B, Borcic B, Ljubicic M, Brkic I, Mihaljevic I. Hepatitis A control in a refugee camp by active immunization. Vaccine 2001; 19:3615-9; PMID:11395194; http://dx.doi.org/10.1016/S0264410X(01)00103-7 36. Boccia D, Guthmann JP, Klovstad H, Hamid N, Tatay M, Ciglenecki I, Nizou JY, Nicand E, Guerin PJ. High mortality associated with an outbreak of hepatitis E among displaced persons in Darfur, Sudan. Clin Infect Dis 2006; 42:1679-84; PMID:16705571; http://dx. doi.org/10.1086/504322 37. Investigation of hepatitis E outbreak among refugees Upper Nile, South Sudan, 2012–2013. MMWR Morb Mortal Wkly Rep 2013; 62:581-6; PMID:23884344 38. Teshale E, Ward JW. Making hepatitis E a vaccine-preventable disease. N Engl J Med 2015; 372:899-901; PMID:25738664; http://dx.doi.org/10.1056/ NEJMp1415240 39. Shimakawa Y, Camelique O, Ariyoshi K. Outbreak of chickenpox in a refugee camp of northern Thailand. Confl Health 2010; 4:4; PMID:20175899; http://dx. doi.org/10.1186/1752-1505-4-4 40. Bhatia S, Dranyi T, Rowley D. A social and demographic study of Tibetan refugees in India. Soc Sci Med 2002; 54:411-22; http://dx.doi.org/10.1016/S02779536(01)00040-5 41. Howard N, Woodward A, Souare Y, Kollie S, Blankhart D, von Roenne A, Borchert M. Reproductive health for refugees by refugees in Guinea III: maternal health. Confl Health 2011; 5:5; PMID:21486433; http://dx.doi.org/10.1186/17521505-5-5 2635 42. Koop DG, Jackson BM, Nestel G. Results of the expanded program on immunization in the Macedonian refugee camps. American journal of public health 2001; 91:1656-9; PMID:11574331; http://dx.doi.org/ 10.2105/AJPH.91.10.1656 43. Moodley K, Hardie K, Selgelid MJ, Waldman RJ, Strebel P, Rees H, Durrheim DN. Ethical considerations for vaccination programmes in acute humanitarian emergencies. Bull World Health Organ 2013; 91:2907; PMID:23599553; http://dx.doi.org/10.2471/ BLT.12.113480 44. Alavian SM, Fallahian F, Lankarani KB. The changing epidemiology of viral hepatitis B in Iran. J Gastrointestin Liver Dis 2007; 16:403-6; PMID:18193122 45. Caplan AL, Curry DR. Refugees, humanitarian aid and the right to decline vaccinations. J Med Ethics 2015; 41:276-7; PMID:25135799; http://dx.doi.org/ 10.1136/medethics-2014-102383 46. Avogo WA, Agadjanian V. Forced migration and child health and mortality in Angola. Soc Sci Med 2010; 70:53-60; http://dx.doi.org/10.1016/j.socscimed. 2009.09.057 47. Talley L, Salama P. Short report: assessing field vaccine efficacy for measles in famine-affected rural Ethiopia. Am J Trop Med Hyg 2003; 68:545-6; PMID:12812341 2636 48. Kamadjeu R, Assegid K, Naouri B, Mirza IR, Hirsi A, Mohammed A, Omer M, Dualle AH, Mulugeta A. Measles control and elimination in Somalia: the good, the bad, and the ugly. J Infect Dis 2011; 204 Suppl 1: S312-7; PMID:21666179; http://dx.doi.org/10.1093/ infdis/jir066 49. Devi S. Long-term planning needed for Iraq’s displaced. Lancet 2015; 385:594; PMID:25713855; http://dx.doi.org/10.1016/S0140-6736(15)60220-3 50. Leus X, Wallace J, Loretti A. Internally displaced persons. Prehosp Disaster Med 2001; 16:116-23; PMID:11875794 51. Iriso R, Ocakacon R, Acayo JA, Mawanda MA, Kisayke A. Bacterial meningitis following introduction of Hib conjugate vaccine in northern Uganda. Ann Trop Paediatr 2008; 28:211-6; PMID:18727850; http://dx.doi. org/10.1179/146532808X335660 52. Moszynski P. Refugees in South Sudan to receive pneumococcal vaccine after delays over price. BMJ 2013; 347:f5042; PMID:23935063 53. Alexander JP, Jr., Zubair M, Khan M, Abid N, Durry E. Progress and peril: poliomyelitis eradication efforts in Pakistan, 1994–2013. J Infect Dis 2014; 210 Suppl 1:S152-61; PMID:25316830; http://dx.doi.org/ 10.1093/infdis/jiu450 54. Owais A, Khowaja AR, Ali SA, Zaidi AK. Pakistan’s expanded programme on immunization: an overview Human Vaccines & Immunotherapeutics 55. 56. 57. 58. 59. 60. 61. in the context of polio eradication and strategies for improving coverage. Vaccine 2013; 31:3313-9; PMID:23707167; http://dx.doi.org/10.1016/j. vaccine.2013.05.015 Riaz H, Rehman A. Polio vaccination workers gunned down in Pakistan. Lancet Infect Dis 2013; 13:120; PMID:23472249; http://dx.doi.org/10.1016/S14733099(12)70344-4 Polonsky JA, Ronsse A, Ciglenecki I, Rull M, Porten K. High levels of mortality, malnutrition, and measles, among recently-displaced Somali refugees in Dagahaley camp, Dadaab refugee camp complex, Kenya, 2011. Confl Health 2013; 7:1; PMID:23339463; http://dx. doi.org/10.1186/1752-1505-7-1 UNHCR. Handbook for Emergencies. Geneva, Switzerland: Office of the United Nations High Commissioner for Refugees (UNHCR), 2007. Watkins C, Gorostiaga A. Children’s rights in policies and codes of conduct: A tool for companies. Geneva, Switzerland: United Nations Children’s Fund (UNICEF) and Save the Children, 2013:32. Cholera vaccines: WHO position paper. Wkly Epidemiol Rec 2010; 13:117-28 Meningococcal A conjugate vaccine: updated guidance, February 2015. Wkly Epidemiol Rec 2015; 8:57-68 Polio vaccines: WHO position paper, January 2014. Wkly Epidemiol Rec 2014; 9:73-93 Volume 11 Issue 11
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International and Humanitarian Disaster Management Outline

Thesis statement: Infectious diseases among displaced people are caused by the nature of living
conditions and inadequate access to vaccination and utilizing preventive initiative would help
address the outbreak of the diseases.
I.
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III.

International and Humanitarian Disaster Management
Potential causes of Outbreaks for Displaced Populations
Potential Solutions for Addressing Disease Outbreaks


Running head: INTERNATIONAL AND HUMANITARIAN DISASTER MANAGEMENT

International and Humanitarian Disaster Management
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1

INTERNATIONAL AND HUMANITARIAN DISASTER MANAGEMENT

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International and Humanitarian Disaster Management
Displaced populations entail subgroups that leave a particular geographic area due to
different reasons tied up to the conflict, poverty, and disasters. Displaced people regardless of
having crossed or not crossing an international border, are incredibly vulnerable to preventable
diseases. The most significant cause of the prevalence of the diseases is the nature of the living
conditions of the groups. Most preventable diseases are transmitted from person to person a...


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