This guide is intended to clarify complex testing outcomes and guide laboratory reporting of test results to providers and health department surveillance programs.

This report focused on focus groups performed with black MSM enrolled in pre-exposure prophylaxis (PrEP) to determine their thoughts about condom use and STDs, with the goal of helping to inform the national conversation about condom and STD prevention messages that work for this population.

This report discusses the estimated HIV incidence and prevalence in the United States 2010–2016.

This report provides descriptive, unweighted data that can be used to describe HIV infection among MSM and the percentages reporting specific risk behaviors, HIV testing, and participation in prevention programs.

This is a fact sheet that provides an understanding of three related, but distinct, concepts: HIV diagnoses, incidence, and prevalence.