Table 20. Reported cases of HIV infection (not AIDS), by transmission category and sex, 2007 and cumulative—47 states, the District of Columbia, and 5 U.S. dependent areas with confidential name-based HIV infection reporting
| Transmission category | Males | Females | Total | |||||||||
| 2007 | Cumulativea | 2007 | Cumulativea | 2007 | Cumulativea | |||||||
| No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | |
| Adult or adolescent | ||||||||||||
| Male-to-male sexual contact | 29,713 | 61 | 129,915 | 54 | — | — | — | — | 29,713 | 47 | 129,915 | 39 |
| Injection drug use | 3,653 | 8 | 27,158 | 11 | 2,041 | 14 | 15,509 | 17 | 5,694 | 9 | 42,667 | 13 |
| Male-to-male sexual contact and injection drug use | 2,298 | 5 | 12,920 | 5 | — | — | — | — | 2,298 | 4 | 12,920 | 4 |
| Hemophilia/coagulation disorder | 65 | 0 | 560 | 0 | 8 | 0 | 79 | 0 | 73 | 0 | 639 | 0 |
| High-risk heterosexual contactb | 3,333 | 7 | 19,490 | 8 | 6,528 | 46 | 43,517 | 47 | 9,861 | 16 | 63,007 | 19 |
| Sex with injection drug user | 345 | 1 | 2,825 | 1 | 863 | 6 | 7,353 | 8 | 1,208 | 2 | 10,178 | 3 |
| Sex with bisexual male | — | — | — | — | 299 | 2 | 2,491 | 3 | 299 | 0 | 2,491 | 1 |
| Sex with person with hemophilia | 4 | 0 | 32 | 0 | 15 | 0 | 207 | 0 | 19 | 0 | 239 | 0 |
| Sex with HIV-infected transfusion recipient | 28 | 0 | 155 | 0 | 54 | 0 | 276 | 0 | 82 | 0 | 431 | 0 |
| Sex with HIV-infected person, risk factor not specified | 2,956 | 6 | 16,478 | 7 | 5,297 | 37 | 33,190 | 36 | 8,253 | 13 | 49,668 | 15 |
| Receipt of blood transfusion, blood components, or tissue | 64 | 0 | 510 | 0 | 71 | 0 | 545 | 1 | 135 | 0 | 1,055 | 0 |
| Other/risk factor not reported or identified | 9,221 | 19 | 49,207 | 21 | 5,578 | 39 | 32,354 | 35 | 14,799 | 24 | 81,565 | 25 |
| Subtotal | 48,347 | 100 | 239,760 | 100 | 14,226 | 100 | 92,004 | 100 | 62,573 | 100 | 331,768 | 100 |
| Child (<13 yrs at diagnosis) | ||||||||||||
| Hemophilia/coagulation disorder | 7 | 2 | 108 | 4 | 0 | 0 | 1 | 0 | 7 | 1 | 109 | 2 |
| Mother with documented HIV infection or 1 of the following risk factors | 254 | 81 | 2,397 | 85 | 283 | 82 | 2,669 | 89 | 537 | 82 | 5,066 | 87 |
| Injection drug use | 44 | 14 | 556 | 20 | 61 | 18 | 615 | 20 | 105 | 16 | 1,171 | 20 |
| Sex with injection drug user | 22 | 7 | 226 | 8 | 14 | 4 | 223 | 7 | 36 | 5 | 449 | 8 |
| Sex with bisexual male | 2 | 1 | 39 | 1 | 7 | 2 | 38 | 1 | 9 | 1 | 77 | 1 |
| Sex with person with hemophilia | 0 | 0 | 3 | 0 | 1 | 0 | 9 | 0 | 1 | 0 | 12 | 0 |
| Sex with HIV-infected transfusion recipient | 0 | 0 | 4 | 0 | 1 | 0 | 5 | 0 | 1 | 0 | 9 | 0 |
| Sex with HIV-infected person, risk factor not specified | 76 | 24 | 600 | 21 | 89 | 26 | 698 | 23 | 165 | 25 | 1,298 | 22 |
| Receipt of blood transfusion, blood components, or tissue | 1 | 0 | 17 | 1 | 0 | 0 | 19 | 1 | 1 | 0 | 36 | 1 |
| Has HIV infection, risk factor not specified | 109 | 35 | 952 | 34 | 110 | 32 | 1,062 | 35 | 219 | 33 | 2,014 | 35 |
| Receipt of blood transfusion, blood components, or tissue | 1 | 0 | 25 | 1 | 2 | 1 | 25 | 1 | 3 | 0 | 50 | 1 |
| Other/risk factor not reported or identified | 50 | 16 | 290 | 10 | 60 | 17 | 307 | 10 | 110 | 17 | 597 | 10 |
| Subtotal | 312 | 100 | 2,820 | 100 | 345 | 100 | 3,002 | 100 | 657 | 100 | 5,822 | 100 |
| Total | 48,659 | 100 | 242,580 | 100 | 14,571 | 100 | 95,006 | 100 | 63,230 | 100 | 337,590c | 100 |
Note. See Table 18 for the list of 47 states and 5 U.S. dependent areas with confidential name-based HIV infection reporting as of December 2007.
a From the beginning of the epidemic through 2007.
b Heterosexual contact with a person known to have, or to be at high risk for, HIV infection.
c Includes 4 persons of unknown sex.


