An official website of the United States government
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.
ARS scientists develop and test new vaccines against avian influenza. Learn more about this important work.
Download sizes:
Phone: 750px x 1334px
Desktop: 1280px x 800px
300 dpi: 9"x 6"
Photo by Peggy Greb, USDA/ARS
Copyright free, public domain image
.
