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How Does Zika Cause Birth Defects?
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How Does Zika Cause Birth Defects?
This version of How Does Zika Work 749386307537 - Breaking News | NBC News Clone was adapted by NBC News Clone to help readers digest key facts more efficiently.
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This is how the Zika virus causes severe and often horrific birth defects. Warning: Some images may be disturbing.Aug. 23, 2016
