AIDS Diagnoses by Transmission Category

AIDS diagnoses transmission category 

Six common transmission categories are male-to-male sexual contact, injection drug use, male-to-male sexual contact and injection drug use, heterosexual contact, mother-to-child (perinatal) transmission, and other (includes blood transfusions and unknown cause).

Following is the distribution of the estimated number of AIDS diagnoses among adults and adolescents by transmission category in the 50 states and the District of Columbia. A breakdown by sex is provided where appropriate.

Transmission Category	Estimated # of AIDS Diagnoses, 2008
	Adult and Adolescent Males	Adult and Adolescent Females	Total
Male-to-male sexual contact	17,758	-	17,758
Injection drug use	3,555	2,256	5,811
Male-to-male sexual contact and injection drug use	1,704	-	1,704
Heterosexual contact	4,301	7,112	11,413
Other	225	199	424

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 not reported or not identified.

 

Transmission Category	Cumulative Estimated # of AIDS Diagnoses, Through 2008*
	Adult and Adolescent Males	Adult and Adolescent Females	Total
Male-to-male sexual contact	513,138	-	513,138
Injection drug use	183,052	84,339	267,391
Male-to-male sexual contact and injection drug use	74,155	-	74,155
Heterosexual contact	68,546	120,039	188,585
Other	13,083	7,426	20,509

From the beginning of the epidemic through 2008. 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 not reported or not identified.

The distribution of the estimated number of  AIDS diagnoses, among children in the 50 states and the District of Columbia, by transmission categories was:

Transmission Category	Estimated # of AIDS Diagnoses, 2008	Cumulative Estimated # of AIDS Diagnoses Through 2008**
Perinatal	34	8,577
Other***	6	773

The term "children" refers to persons under age 13 years at the time of diagnosis.  From the beginning of the epidemic through 2008. Includes hemophilia, blood transfusion, and risk not reported or not identified.