Epidemiological Update - Zika Virus Infection - 27 April 2017

Situation Summary in the Americas

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, vectorborne transmission of Zika virus disease since 2015, while five countries have reported sexually transmitted Zika cases (Figure 1).