Causative Organism of Dengue

May 5th, 2015
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Dengue is a mosquito-borne disease caused by a flavivirus. Dengue fever usually results in the abrupt onset of high fever, headache, myalgias, arthralgias, lymphadenopathy, and a rash that appears with a 2nd temperature rise after an afebrile period. Respiratory symptoms, such as cough, sore throat, and rhinorrhea, can occur. Dengue can also cause potentially fatal hemorrhagic fever with bleeding tendency and shock. Diagnosis involves PCR and serologic testing. Treatment is symptomatic, including meticulously adjusted intravascular volume replacement.

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causative organism of dengueDengue is a mosquito-borne disease caused by a flavivirus. Dengue fever usually results in the abrupt onset of high fever, headache, myalgias, arthralgias, lymphadenopathy, and a rash that appears with a 2nd temperature rise after an afebrile period. Respiratory symptoms, such as cough, sore throat, and rhinorrhea, can occur. Dengue can also cause potentially fatal hemorrhagic fever with bleeding tendency and shock. Diagnosis involves PCR and serologic testing. Treatment is symptomatic, including meticulously adjusted intravascular volume replacement.Mode of TransmissionDengue viruses are transmitted to humans through the bites of infective female Aedes mosquitoes. The disease is not directly transmitted from person to person.Prevention and ControlAt present, there is no specific treatment. No vaccine is current available. The only method of controlling or preventing Dengue Fever is to combat the vector mosquitoes.1. Vector control is implemented using environmental management and chemical methods. Proper solid waste disposal, elimination of stagnant water in domestic environment and improved water storage practices.2. Aerosol and liquid spray has to be applied directly to the adult mosquito for effective killing, e.g. household pesticides.3. Mosquito coil and electric mosquito mat/ liquid has to be placed near possible entrance, such as window, for mosquito.4. Wear long-sleeved clothes and long trousers when going outdoors. Bodies c

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