Thursday 28 September 2017

Health Alert: Zika was a mild bug. One mutation may be why it turned monstrous.

The Zika virus became a global terror two years ago, inflicting severe birth defects on the babies of women who were infected with the virus while pregnant. Scientists were mystified about how an obscure, relatively harmless pathogen that had been known for more than half a century suddenly became much more dangerous.
A new study may have solved the mystery. It pinpoints a mutation in Zika's genetic makeup that made a new strain of the virus much more likely to attack cells in the nervous system.

 
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Health Alert Thu., Sep. 28, 2017 2:00 p.m.
 
 
Zika was a mild bug. One mutation may be why it turned monstrous.

The Zika virus became a global terror two years ago, inflicting severe birth defects on the babies of women who were infected with the virus while pregnant. Scientists were mystified about how an obscure, relatively harmless pathogen that had been known for more than half a century suddenly became much more dangerous.
A new study may have solved the mystery. It pinpoints a mutation in Zika's genetic makeup that made a new strain of the virus much more likely to attack cells in the nervous system.

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