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