The 2nd cohort (1987) centered on increased recruitment of MSM of color and MSM who had been HIV good. The 3rd cohort enrolled HIV negative and HIV positive participants between 2001 2003, emphasizing those that had been racial/ethnic minorities, read review and depending on targeted recruitment that included HIV care facilities, homosexual affiliated venues, and internet sites of current individuals; MSM danger behavior had not been an exclusion criteria with this cohort. Continue Reading…