The Devastating Zika Virus Explained

The mosquito-borne virus is spreading through 24 regions around the world. What do we know about this strange illness?

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Anticipating the international spread of Zika virus from Brazil (The Lancet)
"In May, 2015, locally acquired cases of Zika virus-an arbovirus found in Africa and Asia-Pacific and transmitted via Aedes mosquitoes-were confirmed in Brazil. The presence of Aedes mosquitoes across Latin America, coupled with suitable climatic conditions, have triggered a Zika virus epidemic in Brazil."

Facts about Microcephaly (CDC)
"Microcephaly is a birth defect where a baby's head is smaller than expected when compared to babies of the same sex and age. Babies with microcephaly often have smaller brains that might not have developed properly."