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Epidemiology of HIV/AIDS in the United States |
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HIV InSite Knowledge Base Chapter
Published
March 2003 |
Dennis H. Osmond, PhD, University of California San Francisco
http://hivinsite.ucsf.edu/InSite?page=kb-01-03 |
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Table 2. Distributions of U.S. AIDS Cases* by Transmission
Exposure Group over Time
| | Percent in Exposure Group | | Transmission Exposure Group | 1983 | 1992 | 2001 | | MSM | 71% | 52% | 40% | | IDU | 17% | 25% | 26% | | MSM IDU | NA | 5% | 4% | | Heterosexual contact
# | 5% | 9% | 28% | | Blood/blood product recipient | 2% | 1% | 0% | | No risk identified/other | 6% | 6% | 2% |
Key
| IDU: | | Injecting drug user | | MSM: | | Men who have sex with men | | NA: | | Not available |
| * | | Adult incident cases in 2001 adjusted for reporting delays
and redistribution of cases initially reported with no risk
identified (31% of reports in 2001). | | # | | Includes "Born out of United States," formerly a separate
group in 1983 (4%). |
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