Study of virus’s evolution shows strains in Americas share a single ancestor,and propose it could beget arrived during the 2013 Fifa Confederations CupThe outbreak of Zika virus in the Americas could be down to just one passenger that stepped off a plane in 2013.
New research suggests that the virus could beget arrived in Brazil more than a year before it was first reported in March 2015, scotching the notion that it was brought to Brazil during the 2014 World Cup, or arrived during the Va’a World Sprint Championship canoe race.
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Source: theguardian.com