Diagnoses of HIV Infection in the United States and Dependent Areas 2019: Guide to Acronyms and Initialisms
AGI additional gender identity
AIDS acquired immunodeficiency syndrome
CDC Centers for Disease Control and Prevention
FTM female-to-male
HIV human immunodeficiency virus
IDU injection drug use
MMSC male-to-male sexual contact
MSA metropolitan statistical area
MSM gay, bisexual, and other men who have sex with men
MTF male-to-female
NHSS National HIV Surveillance System
NIR no identified risk factor
OI opportunistic illness
OMB Office of Management and Budget
PrEP preexposure prophylaxis
PWID persons who inject drugs
Page last reviewed: May 27, 2021