Fetal tissue may prove crucial to probing link between virus and birth defects

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Scientists have been trying to figure out when and where it entered Brazil, where it was first detected in March 2015. Speculation has focused on the influx of fans for the World Cup in June and July 2014, or for a championship canoe race in September 2014. But a new genome analysis suggests the virus had likely been spreading there long before either event

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Zika and Birth Defects

March 21, 2016

What we know and what we don’t. Experts fear a major epidemic of Zika-linked birth defects, but can’t yet be sure

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Art Caplan and Carolyn Plunkett: The Zika outbreak sweeping through South America, Central America, Mexico and the Caribbean–and steadily moving north–has made mosquito control a top priority for national and international leaders, including the CDC and WHO

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During a recent outbreak of the Zika virus in French Polynesia, roughly one in 100 women infected in the first trimester of pregnancy developed a fetus with an abnormally small head and brain damage, researchers reported on Tuesday

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In December, Ami Levy and her husband, Jason, left frigid Washington, D.C., for a two-week vacation in Argentina. Once there, they headed north to the Brazilian border for a couple of days, lured by Igauzu Falls

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The emergency money the Obama administration wants to fight the Zika virus is stuck in Congress — and so far, there’s no sign that congressional Republicans are about to budge

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A team of researchers have discovered what appears to be a significant biological link between Zika virus and microcephaly, a birth defect linked to abnormally small head size and stunted brain development in newborns

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