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.
Monthly normalized data of web-searches and social network interactions related to Zika retrieved from Google Trends, Google News, Wikitrends, YouTube and Twitter from January 2004 to June 2016 (1a) and from November 2015 to October 2016 (1b).
