Epidemiological Update - Zika Virus Infection - 15 December 2016

Zika virus – Incidence and trends

To date, 48 countries and territories in the Americas have confirmed autochthonous, vector- borne transmission of Zika virus disease since 2015.1 In addition, five countries in the Americas have reported sexually transmitted Zika cases.2 Since the last Zika Epidemiological Update of 1 December 2016, no new country or territory has confirmed vector-borne autochthonous transmission of Zika virus in the Americas (Figure 1).
Figure 1. Countries and territories in the Americas with confirmed autochthonous (vector- borne) Zika virus cases, 2015-2016.