The U.S. Food and Drug Administration said it would allow the use of an experimental test to screen donated blood for the Zika virus.

The test, manufactured by a New Jersey-based unit of Swiss drugmaker Roche Holding AG, may be used for screening donated blood in areas with active mosquito-borne transmission of Zika virus, the FDA said.  

The agency recommended last month that blood should no longer be collected from regions where the Zika virus is circulating.

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