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.
Comparison of H5N1 influenza virus isolation rate (%) in chicken (A), duck (B) and goose (C) from southern China, July 2004 to June 2006. Surveillance was conducted in live-poultry markets in Fujian, Guangdong, Guangxi, Guiyang, Hunan, and Yunnan.
