One Traveler May Have Brought Zika to the Americas in 2013

by the New York Times
March 24, 2016

The Zika virus now spreading widely throughout the hemisphere probably arrived in the Americas in a single traveler in the second half of 2013 — almost a year earlier than previous estimates — according to a new study of the virus’s genome led by Brazilian and British researchers.

Experts were divided in their opinions of the new study, published Thursday in the journal Science. Some praised the work, while others said it was too limited to draw such a specific conclusion.

 

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