Reports of a new exanthematic disease were issued in northeast Brazil in late 2014, and in early 2015, Zika virus outbreak was reported, following its probable introduction in 2013.1, 2, 3 By September, 2015, reported microcephaly cases increased sharply in this region, and an association with Zika virus was suggested.2, 4 The causal association was acknowledged by WHO and by the US Centers for Disease Control and Prevention (CDC)…….

http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(16)30902-3/fulltext

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