Hiv: Sobering News From The Front

AIDS' unchecked spread returns the focus to prevention

Back in 1989, deadly HIV was spreading in the dark corners of America, striking drug users, the homeless, and others on the edges of society. So the National Institutes of Health began a study to find out if educational efforts such as those that had slowed HIV transmission among gay men could also work in inner cities. "The naysayers were legion," recalls David D. Celentano, an epidemiologist at the Johns Hopkins University School of Public Health and one of the study's principal investigators. "They said people won't change their sexual behavior."

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