Second Human Zika Vaccine Trial Begins Using Inactive Virus

Army researchers recruit volunteers for an experimental vaccine called ZPIV. Another human trial began this summer. It's still estimated that a publicly available Zika vaccine is two to three years away.

Federal scientists have launched another test in human volunteers of a Zika vaccine. This one uses a more traditional approach than an experiment that started in August. Federal officials are eager to develop a vaccine as quickly as possible, which is why they are pursuing multiple approaches. This experimental vaccine, called ZPIV, has already proved effective when designed to target a virus similar to Zika, called Japanese encephalitis. (Harris, 11/7)

With Florida health officials reporting more mosquito-borne Zika infections in Miami-Dade, including one new case confirmed Monday, scientists with the Walter Reed Army Institute of Research (WRAIR) launched the first of five early stage clinical trials that they hope will lead to the development of a vaccine against the virus. (Chang, 11/7)

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