AIDS and HIV in Africa

Number of Patients Infected with HIV who Progress to Stage 3, AIDS in the United States - 2013

Transmission Category	Estimated Number of Persons with Diagnosed HIV infection Classified as stage 3 (AIDS), 2013
Transmission Category	Adult and Adolescent Males	Adult and Adolescent Females	Total
Male-to-male sexual contact	14,611	NA	14,611
Injection drug use	1,610	1,143	2,753
Male-to-male sexual contact and injection drug use	1,026	NA	1,026
Heterosexual contact^a	2,865	5,109	7,974
Other^b	144	172	316

^aHeterosexual contact with a person known to have, or to be at high risk for, HIV infection.
^bIncludes hemophilia, blood transfusion, perinatal exposure, and risk factor not reported or not identified.

Cumulative Number of Patients infected with HIV who Progress to Stage 3, AIDS in the United States - up to2013

Transmission Category	Cumulative Estimated Number of Persons with Diagnosed HIV Infection Ever Classified as Stage 3 (AIDS), Through 2013^a
Transmission Category	Adult and Adolescent Males	Adult and Adolescent Females	Total
Male-to-male sexual contact	577,403	NA	577,403
Injection drug use	187,218	89,790	277,008
Male-to-male sexual contact and injection drug use	83,828	NA	83,828
Heterosexual contact^b	82,447	146,521	228,968
Other^c	11,545	5,868	17,413

^aFrom the beginning of the epidemic through 2013.
^bHeterosexual contact with a person known to have, or to be at high risk for, HIV infection.
^cIncludes hemophilia, blood transfusion, perinatal exposure, and risk factor not reported or not identified.