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.
(A) A map indicating global H6Nx sequences reported in chickens. (B) A map showing the density of the number of different H6Nx subtypes in chickens. Most, if not all, chickens with reported AIV infections are domestic birds. Ducks, geese and turkeys have been excluded as there is no way to distinguish between whether they are of a domestic of wild nature.
