CDC: No doubt now that Zika virus causes rare birth defects

FILE - This 2006 file photo provided by the Centers for Disease Control and Prevention shows a female Aedes aegypti mosquito in the process of acquiring a blood meal from a human host. The The CDC on Wednesday, April 13 said there's enough evidence now to declare Zika the cause of a birth defect called microcephaly and other brain abnormalities.(James Gathany/Centers for Disease Control and Prevention via AP, File)

NEW YORK (AP) – U.S. health officials say there’s no longer any doubt that the Zika virus causes severe birth defects.

Experts had been cautious about making a definitive link despite a surge of babies born with a rare birth defect in Brazil during a Zika outbreak. The virus is mainly spread by mosquitoes, and no mosquito-borne virus had ever been known to cause birth defects.

But on Wednesday, the Centers for Disease Control and Prevention said there’s enough evidence now to declare Zika the cause of a birth defect called microcephaly and other brain abnormalities.

CDC officials said their advice to pregnant women won’t change. Pregnant women should avoid traveling to places where the Zika virus is spreading, mostly in Latin America and the Caribbean.

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Online:

CDC paper: http://www.nejm.org/

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