Medicine and surgery notes

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INTRODUCTION TO HIVUNIT 1:EPIDEMIOLOGY OF HIVDr. John Kinuthiamedical specialist, KNHHistorical background1st cases described in USA 19811983/1984 cause of syndrome described as aretrovirusLymphadenopathy associated virusAids associated virusHuman T-lymphtrophic virus III1986-HIV accepted as international designation forretrovirus in a WHO consultative meetingIn Kenya the 1st case described in 1984Epidemic update: globalHIV fourth biggest killer in the world Estimated 40 million living with HIV by endof 2003 Most people are unaware they are infectedYoung women are more vulnerableAdults and children estimated to be living withHIV/AIDS as of end 2002Western Europe570 000North America980 000Caribbean440 000Latin America1.5millionEastern Europe& Central Asia1.2 millionNorth AfricaEast Asia & Pacific& Middle East1.2 million550 000 South& South-East Asia 6sub-SaharanmillionAfricaAustralia29.4million& NewZealand15 000Total: 42 millionSource: Jointed United Nations Program on AIDS; World Health Organization 2002Epidemic update SSA10% (600 million) of world population live in SSAMost affected by the epidemicHIV is now the leading cause of death70% (2 in 3) of the >40 million people living withHIV live in SSAAdults living in SSA 10 times more likely to beinfected than adults in North America; 20 moretimes than adults in Western EuropeEpidemic update SSA

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