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.
... is spread through the bite of an infected mosquito. It cannot be spread person to person by ... way to prevent yellow fever is to avoid mosquito bites by:staying in well-screened or air- ...