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.
Timeline of sera collection in poultry workers and the general population in 2013, reports of detections of influenza A(H7N9) virus in environmental samples, reports of human cases in Hong Kong (suspected to have been exposed to H7N9 virus in or near live poultry markets in Shenzhen), and reports of human cases in Shenzhen. Abbreviations: HK, Hong Kong; SZ, Shenzhen.
