Fig. 2.
Positive percentage of nasopharyngeal or throat swab samples for pandemic (H1N1) 2009 and human seasonal influenza viruses from Chumphae Hospital, Khon Kaen province, Thailand, between July and December 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.