Influenza - Evidence-based Medical Information
Due to Pandemic H1N1 Influenza (formerly known as Swine Flu) and concerns about the 2009/2010 flu season, the EBSCO have made key influenza information freely available to health care providers worldwide. This website is recommended for clinicians, nurses and patients.

Centers for Disease Control and Prevention
CDC.gov (www.cdc.gov) is your online source for credible health information and is the official Web site of the Centers for Disease Control and Prevention (CDC). 

Flu Shot Locator 
Flu.gov is an  official U.S. Government Web site managed by the U.S. Department of Health & Human Services. Includes flu shot locator (seasonal and H1N1).

MedlinePlus 
A service of the U.S. National Library of Medicine and the National Institutes of Health. Information about flu in many different languages, including Spanish, French, Korean, Vietnamese.