AIDS breakthrough: Vaginal gel helps prevent HIV, herpes infections, African study findsmore images Studies: Switching antiseptic prep, screening patients for bacteria cut post-op infectionsmore images From Elmo to ‘Happy Birthday’ hand washing, kids learn their part in preventing spread of flumore images A world first: AIDS vaccine cuts the risk of HIV infection by 31 percent in big Thai studyA world first: Vaccine helps prevent HIV infection BANGKOK — 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. |
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