22 September 2016: Zika – Epidemiological Update

To date, 47 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.  Since the last Zika Epidemiological Update of 8 September 2016, Saint Kitts and Nevis has confirmed vector-borne autochthonous transmission of Zika virus (Figure 1).