An investigational Zika virus vaccine, TAK-426 (Takeda), has been granted Fast Track designation by the Food and Drug Administration (FDA).

TAK-426 is a purified, inactivated, alum-adjuvanted, whole vaccine candidate. It is currently being assessed in a Phase 1 clinical trial (ZIK-101) to evaluate safety and immunogenicity; a total of 240 individuals between the ages of 18 and 49 have been enrolled in the trial.

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There is currently no vaccine for Zika and the World Health Organization says the virus has spread to 84 countries, including the U.S. 

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