An official website of the United States government
Here's how you know
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.
Distribution (percentage) of 948 acute febrile illness patients according to the arboviral diagnosis by month—Salvador, Brazil, September 2014 to July 2016. Abbreviations: CHIKV, chikungunya virus; DENV, dengue virus; FLAV, flavivirus; ZIKV, Zika virus.