Very High HIV Incidence and Associated Risk Factors in a Longitudinal Cohort Study of Diverse Adolescent and Young Adult Men Who Have Sex with Men and Transgender Women

To report HIV incidence and associated factors among young men who have sex with men (YMSM) and transgender women (TW). Data were collected February 2015 to July 2018 in the RADAR longitudinal cohort study of YMSM/TW aged 16-29 years (N = 1093). Data included tests for HIV and rectal STIs and self-reported sexual behaviors and networks characteristics. HIV incidence rates were 2.91 per 100 person years (44 seroconversions among 1513 person...