Zika Vaccine Works In Monkeys, Set For Human Trials, Harvard Medical School Study

On the eve of the Olympics' opening ceremony in Rio de Janeiro, there's good news on combating the Zika virus: a promising vaccine effective in monkeys and now being fast-tracked for human clinical trials.

A purified, inactivated Zika virus vaccine earlier found to work in mice is effective against Brazilian and Puerto Rican strains of the virus in monkeys, too, researchers from the Walter Reed Army Institute of Research and Harvard Medical School reported in a study out on Thursday in the journal Science.

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