One Gene Mutation May Cause Zika's Devastating Birth Defects

Sixty years ago, a team of scientists went looking for yellow fever in the jungles that line the northwestern edge of Lake Victoria. What they found instead, in the blood of a rhesus monkey, was a new virus, one they named for the area’s dense vegetation: Uganda’s Zika Forest. Within a few years, Zika virus was showing up in humans, causing a pink rash and mild flu-like symptoms.

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