Drivers of HIV Infection Among Cisgender and Transgender Female Sex Worker Populations in Baltimore City: Results From the SAPPHIRE Study

Objective: To determine and compare risk factors for HIV infection among cisgender female sex workers (CFSWs) and transgender female sex workers (TFSWs). Design: Baseline data from a cohort study (SAPPHIRE) of street-based CFSW and TFSW in Baltimore, MD. Methods: Women were queried about individu…