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.
Poultry wet-market in mainland China
Removal of ducks and geese (original source of influenza viruses) from live-poultry markets in Hong Kong reduced number of subtypes of influenza viruses found there. Similar changes have not been made on the mainland.
