Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Countries having transmission of Zika, with gradient indicating average number of reported cases per year from 2010 to 2019. Map created using an open-access world map from Wikimedia Commons (https://commons.wikimedia.org/wiki/File:BlankMap-World.svg). ZIKV, Zika virus.
