Science, Hiv Vaccine | featured news

Nabel said no vaccine being tested today "is likely to hit it out of the park," but many researchers do feel advances in broadly neutralizing antibodies are key to developing a highly successful HIV vaccine. "It's really a new day when we start to think about where we are with AIDS vaccines," Nabel said.

The latest research puts scientists much closer to finding a HIV vaccine.

For the first time, an experimental vaccine has prevented infection with the AIDS virus, a watershed event in the deadly epidemic and a surprising result. Recent failures led many scientists to think such a vaccine might never be possible.

The World Health Organization and the U.N.