Figure 1.
Number of influenza‐like illness and influenza virus‐positive cases from influenza surveillance data of Selenghe province (April 2009/March 2010). All influenza‐positive cases were pandemic (H1N1) 2009.
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.