Welcome to the State of California 

NOTICE: The California Department of Public Health (CDPH) H1N1 Web pages are no longer being maintained or updated; they are provided for historical purposes only.

For current information on seasonal influenza (flu), see the CDPH Influenza Web page.

To view an educational video about the CDPH response to the 2009 H1N1 Flu, see The H1N1 Flu: California's Response.

Last modified on: 8/26/2011 12:50 PM