alexa HIV infection in older adults in sub-Saharan Africa: extrapolating prevalence from existing data.
Infectious Diseases

Infectious Diseases

Journal of AIDS & Clinical Research

Author(s): Negin J, Cumming RG

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Abstract OBJECTIVE: To quantify the number of cases and prevalence of human immunodeficiency virus (HIV) infection among older adults in sub-Saharan Africa. METHODS: We reviewed data from Demographic and Health Surveys (DHS). Although in these surveys all female respondents are < 50 years of age, 18 of the surveys contained data on HIV infection among men aged ≥ 50 years. To estimate the percentage of older adults (i.e. people ≥ 50 years of age) who were positive for HIV (HIV+), we extrapolated from data from the Joint United Nations Programme on HIV/AIDS on the estimated number of people living with HIV and on HIV infection prevalence among adults aged 15-49 years. FINDINGS: In 2007, approximately 3 million people aged ≥ 50 years were living with HIV in sub-Saharan Africa. The prevalence of HIV infection in this group was 4.0\%, compared with 5.0\% among those aged 15-49 years. Of the approximately 21 million people in sub-Saharan Africa aged ≥ 15 years that were HIV+, 14.3\% were ≥ 50 years old. CONCLUSION: To better reflect the longer survival of people living with HIV and the ageing of the HIV+ population, indicators of the prevalence of HIV infection should be expanded to include people > 49 years of age. Little is known about comorbidity and sexual behaviour among HIV+ older adults or about the biological and cultural factors that increase the risk of transmission. HIV services need to be better targeted to respond to the growing needs of older adults living with HIV.
This article was published in Bull World Health Organ and referenced in Journal of AIDS & Clinical Research

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