New AIDS Vaccine Protects Monkeys

"We do not know for sure whether a vaccine that protects in monkeys will in fact protect in humans," said Dr. Dan Barouch of Boston's Beth Israel Deaconess Medical Center and the Ragon Institute at Harvard, MIT and Massachusetts General Hospital.

But Barouch, who led the study, says he thinks this one may. It's because the monkeys were first vaccinated and then repeatedly given large doses of an extremely virulent monkey version of HIV called SIV. And the immune response to the vaccine was strong.

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