Background: HIV incidence is high among young men who have sex with men (YMSM) and transgender women (TGW). PrEP is a key strategy to reduce new HIV infections, and monitoring PrEP adherence is essential to guide implementation programs. We aimed to assess the accuracy of indirect PrEP adherence measures with drug concentrations in dried blood … Continue reading Accuracy of PrEP Adherence Measures Among Transwomen and Young MSM in Latin America: ImPrEP Study