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HIV incidence high and unchanged in rural South African community over five-year period

Ugandan studies identify benefits of home-based HIV counselling and testing approaches

Antiretroviral treatment lowers rates of HIV transmission in heterosexual couples in Africa

Seminal HIV: cell-free virus, not infected cells, leads to transmission between men

Microbicide reduces HIV infections by 30% in first success for field

HIV sporadically detectable in semen of men with undetectable plasma viral loads

PrEP could work even if taken several days in advance

Gay men should have rectal tests for chlamydia as part of routine sexual health care

Untreated HIV depletes CD4 cells in semen – renders men more vulnerable to STIs