Zika Mutates Extremely Quickly, Which Is Why It’s So Scary

Image: A photograph of a mosquito on human skin.

time.com - April 15th 2016 -  Alexandra Sifferlin

One thing that’s especially confounding about Zika is that as soon as something about the virus is understood, it comes under question.

Until recently, experts believed Zika was a relatively benign virus spread by mosquitoes. But now that it’s been linked to more than 1,000 microcephaly cases, scientists have taken a closer look, recently declaring it “scarier than we initially thought,” as one U.S. health official put it this week.

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