Epidemiological Update - Zika Virus Infection - 12 January 2017
Zika virus – Incidence and trends
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 (Figure 1). In addition, five countries in the Americas have reported sexually transmitted Zika cases.