OPEN The New England journal of medicine | 10 Mar 2016
N Broutet, F Krauer, M Riesen, A Khalakdina, M Almiron, S Aldighieri, M Espinal, N Low and C Dye
Zika virus infections have been known in Africa and Asia since the 1940s, but the virus’s geographic range has expanded dramatically since 2007. Between January 1, 2007, and March 1, 2016, local transmission was reported in an additional 52 countries and territories, mainly in the Americas and the western Pacific, but also in Africa and southeast Asia. Zika virus infections acquired by travelers visiting those countries have been discovered at sites worldwide. Aedes aegypti mosquitoes are the principal vectors, though other mosquito species may contribute to transmission. The virus was found to be neurotropic in animals in experiments conducted in . . .
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