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HIV/AIDS Surveillance in Adolescents
L265 slide series
(through 2002)

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Slide 1 - Title:
AIDS in 13-to 19-Year-Olds, by Sex and Year of Report, through 2002, United States

As of December 2002, 4,785 adolescents (persons aged 13-19 years) have been reported with AIDS. In earlier years, most reported cases were in men; over time, the male-to-female ratio has decreased. In 2002, 408 adolescents were reported with AIDS; of these, 204 (50%) were men and 204 (50%) were women. Slide 2 - Title:
AIDS in 20-to 24-Year-Olds, by Sex and Year of Report, through 2002, United States

As of December 2002, a total of 29,945 persons aged 20 to 24 years were reported with AIDS; most were men. In 1985, 89% of cases reported in persons 20 to 24 years old were in men. However, as heterosexual contact has accounted for an increasing proportion of HIV infections, particularly in women, the proportion of cases reported in women has increased. In 2002, 37% of the 1,575 cases reported were in women.
Slide 1
AIDS in 13- to 19-Year-Olds, by Sex and Year of Report, through 2002, United States

Slide 2
AIDS in 20- to 24-Year-Olds, by Sex and Year of Report, through 2002, United States

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Slide 3 - Title:
Proportion of AIDS Cases among Adults and Adolescents , by Sex and Age, Reported in 2002 – United States

The ratio of men to women with AIDS varies by age at diagnosis. In 2002, of adolescents aged 13 to 19 years at AIDS diagnosis, 50% were women; of persons 20-24 years of age, 37% were women.

In 2002, most persons 25 years of age and older reported with AIDS were men (75%). Slide 4 - Title:
Proportion of Cases of HIV Infection* (not AIDS) among Adults and Adolescents, by Sex and Age Group Reported in 2002 – United States

The ratio of men to women with AIDS varies by age at diagnosis. In 2002, of adolescents aged 13 to 19 years at AIDS diagnosis, 50% were women; of persons 20-24 years of age, 37% were women.

In 2002, most persons 25 years of age and older reported with AIDS were men (75%).
Slide 3
Proportion of AIDS Cases among Adults and Adolescents, by Sex and Age, Reported in 2002 – United States

Slide 4
Proportion of Cases of HIV Infection* (not AIDS) among Adults and Adolescents, by Sex and Age Group Reported in 2002 – United States
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Estimated AIDS Cases among Male Adolescents and Young Adults by Exposure Category, Diagnosed through 2002, United States

Since the beginning of the epidemic, more than 2,900 adolescent men aged 13 to 19 years and approximately 22,000 men aged 20 to 24 years have been reported with AIDS.

The majority (64%) of men aged 20 to 24 with AIDS were reported as having sex with other men and an additional 11% were among men who were reported as having sex with other men and injecting drugs.

Approximately 27% of AIDS cases among adolescent men aged 13-19 were among those who had hemophilia and acquired their infection before blood products were heat treated to prevent HIV transmission. In contrast, 3% of AIDS cases among men aged 20-24 were attributed to receipt of blood products for hemophilia.

Injection drug use is more common among the 20 to 24 year old men reported with AIDS than among adolescents with AIDS, but less common than among men over 24 years.  Approximately 7% of AIDS cases among men aged 13 to 24 years were reported with heterosexual contact as their exposure category.

The data have been adjusted for reporting delays. Slide 6 - Title:
Estimated AIDS Cases among Female Adolescents and Young Adults by Exposure Category, Diagnosed through 2002, United States

Approximately two-thirds of AIDS cases among adolescent and young adult women were attributed to heterosexual contact as the mode of exposure to HIV. Cases among adolescent women were less likely to be attributed to injection drug use than were cases among older youth (19% vs. 29% of cases).

Compared with women 20 to 24 years of age, more adolescent women were initially reported without a risk for HIV infection. Some proportion of these cases in both age groups probably is attributable to heterosexual exposure.

The data have been adjusted for reporting delays.
Slide 5
Estimated AIDS Cases among Male Adolescents and Young Adults by Exposure Category, Diagnosed through 2002, United States
Slide 6
Estimated AIDS Cases among Female Adolescents and Young Adults by Exposure Category, Diagnosed through 2002, United States

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Slide 7 - Title:
Proportion of AIDS Cases reported among 13- to 19-Year-Olds, by Race/Ethnicity, United States

Black and Hispanic adolescents have been disproportionately affected by the HIV/AIDS epidemic. In the United States in 2002, 15% of the adolescent population was black, yet 65% of reported AIDS cases in 13 to 19 year olds were in blacks. Hispanics accounted for 16 % of the population, yet 20% of reported AIDS cases in adolescents were in Hispanics.

These patterns will probably continue because recent reports of HIV infection from states that report HIV infection also show that young racial/ethnic minority persons are disproportionately affected by HIV. Slide 8 - Title:
HIV Infection* (not AIDS) and AIDS in 13 – 19 Year Olds, Reported in 2002

In 2002, 408 adolescents nationwide were reported with AIDS and 1,200 adolescents from the 39 areas that conduct name-based confidential HIV infection surveillance of adults and adolescents were reported with HIV. In nearly all of the areas with HIV surveillance, the number of adolescents reported with HIV exceeded the number of adolescents reported with AIDS.

Because progression from HIV infection to AIDS takes time, most persons infected with HIV as adolescents are adults before AIDS develops. HIV surveillance data are especially useful for documenting the effect of HIV in adolescents.
Slide 7
Proportion of AIDS Cases reported among 13- to 19-Year-Olds, by Race/Ethnicity, United States
Slide 8
HIV Infection* (not AIDS) and AIDS in 13 – 19 Year Olds, Reported in 2002
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Slide 9 - Title:
Adolescents 13-19 Years of Age Living with HIV Infection (not AIDS)* or with AIDS, Reported through 2002

At the end of 2002, 2,120 adolescents 13 to 19 years old were known to be living with AIDS in the United States. From the 39 areas that conduct adult/adolescent name-based HIV infection case surveillance,  1,557 persons aged 13 to 19 years living with AIDS were reported, accounting for 73% of all adolescents living with AIDS in the United States.

These 39 areas reported an additional 2,166 adolescents living with HIV infection. The HIV data underestimate the population of infected adolescents, as some states do not report HIV-infected persons to CDC, and only persons who have been tested confidentially are reported.
Slide 9
Adolescents 13-19 Years of Age Living with HIV Infection (not AIDS)* or with AIDS, Reported through 2002
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Last Updated: August 25, 2004
Centers for Disease Control & Prevention
National Center for HIV, STD, and TB Prevention
Divisions of HIV/AIDS Prevention
Surveillance Branch
Contact Us