http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. HIV superinfection, when a person with HIV could acquire a second, new strain of HIV, may occur as often as initial HIV infection in the general population in Uganda, a study suggests. http://medicalxpress.com/news/2012-06-hiv-superinfection-infection.html HIV & AIDS Thu, 07 Jun 2012 15:12:35 EST news258300742