Rennes, France -- Researchers have demonstrated HIV replication within resident immune cells of the testis, providing an explanation for the persistence of virus in semen even after effective highly active antiretroviral therapy. The related report by Roulet et al., “Susceptibility of human testis to human immunodeficiency virus-1 infection in situ and in vitro,” appears in the December issue of The American Journal of Pathology. >>> Discuss This Story