University of the Witwatersrand May 15 2025 Prevention and treatment campaigns are not adequately targeting the particular needs of the 50+ years age group. Indeed, between 2000 and 2016, the number of adults aged 50 years and older living with HIV in sub-Saharan Africa doubled. At present, their HIV prevalence is exceeding that of younger adults. By 2040, one-quarter of people living with HIV in Africa will be aged 50 years and older; tailored awareness and treatment campaigns are pressing. Dr.