irinnews.org - KAMPALA Friday, November 14, 2008 (IRIN) - A new clinical trial to test the effectiveness of pre-exposure prophylaxis in stable sexual relationships has started in Uganda, with 3,900 discordant couples enrolled in a five-year study. "The aim of the study is to find out whether pre-exposure prophylaxis [PrEP] prevents HIV acquisition within HIV discordant couples," said Dr Jonathan Wangisi, principal investigator of the study. The AIDS Support Organisation (TASO), the Institute of Infectious...» view full story