12 January 2017: Zika - Epidemiological Update

Since epidemiological week (EW) 44 of 2016, no additional countries or territories of the Americas have confirmed autochthonous, vector-borne transmission of Zika virus disease. To date, 48 countries and territories in the Americas have confirmed autochthonous, vector-borne transmission of Zika virus disease since 2015. In addition, five countries in the Americas have reported sexually transmitted Zika cases.

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