The proportion of older people with HIV in sub-Saharan Africa is expected to increase more than 200 percent in the next three decades, Agence France-Press reports. Currently, 3 million people ages 50 and older are living with the virus in the region. By 2040, that number is likely to be more than 9 million. Access to HIV treatment is credited with the increase in longevity, but the virus is still a leading cause of death.

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