Google Flu Trends – Resource offers up-to-date estimates of flu activity by state based on aggregated search queries.
CDC’s Flu View – A weekly Influenza Surveillance Report prepared by the Influenza Division.
American Academy of Pediatrics – FAQ: H1N1.
CDC – H1N1 Flu – CDC H1N1 Information Site.
CDC – 2010/11 Flu Update
CDC – Flu Information for Parents – Child specific information for parents.
Flu.gov – Comprehensive government-wide information on seasonal, H1N1, H5N1 and pandemic influenza.