tenofovir

(Newser) - HIV prevention among drug users has taken a huge step forward in a confirmation that retroviral treatments can cut the risk of transmission across the board: According to a major study published in the Lancet , addicts who took a daily tenofovir pill were 49% less likely to be infected with...

(Newser) - A new gel drastically lowers the risk that female users will contract HIV and herpes during vaginal sex, marking a breakthrough in AIDS prevention second in significance only to an effective vaccine. "This is a potential game changer," an expert not involved in the research tells the Wall ...