Zika & Microcephaly Update May 2016
May 28, 2016
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According to the World Health Organization, as of 25 May 2016, 60 countries and territories report continuing mosquito-borne transmission of which: 46 countries are experiencing a first outbreak of Zika virus since 2015, with no previous evidence of circulation, and with ongoing transmission by mosquitos. 14 countries reported evidence of Zika virus transmission between 2007 and 2014, with ongoing transmission.
In the week to 25 May 2016, no new country reported on mosquito-borne or person-to-person Zika virus transmission.
As of 25 May 2016, microcephaly and other central nervous system (CNS) malformations potentially associated with Zika virus infection or suggestive of congenital infection, have been reported by 10 countries or territories. Infection of the mothers took place in 8 different countries, for one additional case the precise country in Latin America is not determined. Spain reported one case of microcephaly associated with Zika virus in a returning pregnant traveler from South America.
Two cases of microcephaly and other neurological abnormalities are currently under verification in Venezuela and Costa Rica.
One Guillain-Barré syndrome case associated with Zika virus infection in a returning traveller to the Netherlands has been reported. A case of GBS from Guadeloupe is under verification.
At the beginning of April, in terms of cases of microcephaly and other fetal malformations potentially associated with Zika virus infection – Brazil had 1046 cases, Cabo Verde (2 cases), Colombia (7 cases), French Polynesia (8 cases), Martinique (3 cases) and Panama (1 case). Two cases, each linked to a stay in Brazil, were detected in the US and Slovenia.