Following months of investigation, the Centers for Disease Control and Prevention has concluded that Zika virus causes birth defects, namely microcephaly.
By Andrew Taylor, Associated Press
Congressional officials say the Obama administration has decided to transfer leftover money from the largely successful fight against Ebola to combat the growing threat of the Zika virus.
By Katie Worth, FRONTLINE
In northern Brazil, mothers debate whether vaccines triggered the microcephaly outbreak versus the suspected cause: mosquito-borne Zika virus.
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