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HIV afflicts 250,000 who don't know it

WASHINGTON — Some 250,000 Americans are HIV positive but unaware of it, according to a Centers for Disease Control and Prevention study released Thursday, and most of them are not in high-risk groups.

"In the past, people associated HIV with drug use and men who have sex with men," said Bernard Branson, associate director for Laboratory Diagnostics in CDC's division of HIV/AIDS prevention. "But the epidemic is changing, and there is an increased proportion of cases that have been reported in heterosexual transmissions and among women."

Branson said that testing of high-risk HIV groups has been successful but that efforts to reach the remaining 25 percent of Americans who are HIV positive but don't suspect it have to be broadened, and quickly. An HIV-positive person who doesn't know it is three-and-a-half times more likely to transmit the infection than someone who does, he said.

The CDC study found that testing rates for HIV rose sharply from 1987 to 1997, then less steadily. From 2001 through 2006, the testing rate stalled.

Currently, about 40 percent of Americans between 18 to 64 say they have been tested for HIV at least once.

In 2006, 23 percent of people who said they had HIV risk factors had been tested in the past year, compared with 10.4 percent who didn't have HIV risk factors.

Also, 21.7 percent of African-Americans — who account for 49 percent of reported HIV/AIDS cases — had been tested, compared with 12.6 percent of Hispanics and 8 percent of whites.

"The message is getting across," Branson said.

To alert those who are HIV positive and don't know it — and those who are at high risk and need frequent testing — the CDC recommended in 2006 that HIV testing be part of routine medical care.

HIV afflicts 250,000 who don't know it 08/07/08 [Last modified: Tuesday, November 2, 2010 10:36am]
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