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Zika virus: Where did it come from and why is it a problem in Brazil?
From October 2015 to January 2016, there were almost 4,000 cases of babies born with microcephaly in Brazil. Before then, there…
microcephaly
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Zika virus is ‘spreading explosively,’ UN health chief says
GENEVA (AP) — Declaring that the Zika virus is "spreading explosively," the World Health Organization announced it will hold an emergency…
