Rituparna Das, Penn Medicine (IMAGE) University of Pennsylvania School of Medicine Caption A researcher from the Perelman School of Medicine at the University of Pennsylvania and colleagues have identified the genetic mutation in Africans with HIV that puts them at a much higher risk for tuberculosis infections. Credit Penn Medicine Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.