Modes of transmission of HIV in adolescents and young adults (ages 13 to 24 years), United States, 2019

Mode of transmission	Females (n = 943)	Males (n = 6705)
Male-to-male sexual contact (MMSC)	N/A	92%
Heterosexual contact*	87%	3%
Injection drug use (IDU)	12%	1%
MMSC + IDU	N/A	1%
Perinatal infection	1%	0.2%
Other^¶	0%	<0.1%

N/A: not applicable.

* Heterosexual contact with a person known to have or to be at high risk for HIV infection.

¶ Includes hemophilia, blood transfusion, perinatal exposure, and risk factor not reported or not identified.

Data from: Centers for Disease Control and Prevention. Diagnoses of HIV Infection in the United States and Dependent Areas 2019: Figures. Available at: https://www.cdc.gov/hiv/library/reports/hiv-surveillance/vol-32/content/figures.html (Accessed on April 18, 2022).

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