Figure 1.
Influenza A virus M gene copy number from particles in air sampled at a wholesale live poultry market in Guangzhou city, China, July 2014–October 2015
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.