PozNews - HIV News - STD News: Repeated Exposure To HIV In Treatment-Suppressed HIV Patients Examined By Study Repeated Exposure To HIV In Treatment-Suppressed HIV Patients Examined By Study ================================================================================ Medical News Today on 24 October, 2008 05:00:00 A new study looking at unprotected intercourse within gay couples when each partner has established HIV-infection found a correlation between anti-HIV immune response and sexual activity. Study results showed that individuals who had regular unprotected receptive anal intercourse with partners with significant levels of HIV in their blood showed a stronger anti-HIV immune response.