- New CDC Flu Data—Report estimates flu illnesses and hospitalizations prevented by vaccination last season.
- National Influenza Vaccination Week—NIVW is December 8-14, 2013. Share your flu vaccination activities with us, and see what others are doing!
- FluVaxView—How many people got their flu vaccination already? See estimates with FluVaxView!
- CDC Influenza Application—for Clinicians and Health Care Professionals
- FluView Interactive—Influenza Surveillance Data the Way You Want it!
Too many people in the United States remain unprotected from the flu going into the holiday season. Early flu season vaccination coverage results are now available for the general public, pregnant women, and health care providers. If you have not gotten your flu vaccination yet this season, you should get one now.
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There are many different influenza A viruses; some are found in humans and others in animals such as avian flu in birds and poultry.
A new avian influenza A (H7N9) virus has been detected in China. CDC is following this situation closely and coordinating with domestic and international partners.
Influenza viruses that normally circulate in pigs are called “variant” viruses when they are found in people. Influenza A H3N2 variant viruses (also known as “H3N2v” viruses) with the matrix (M) gene from the 2009 H1N1 pandemic virus were first detected in people in July 2011.
There are many different influenza A Viruses; some are found in humans and others in animals such as swine flu in pigs.
CDC’s pandemic preparedness efforts include ongoing surveillance of human and animal influenza viruses, risk assessments of influenza viruses with pandemic potential, and the development and improvement of preparedness tools that can aid public health practitioners in the event of an influenza pandemic.
Bat influenza refers to influenza A viruses found in bats. Laboratory research at CDC suggests these viruses would need to undergo significant changes to become capable of infecting and spreading easily among humans. Little yellow shouldered bats are not native to the continental United States, but are common in Central and South America.
Dog flu is a contagious respiratory disease in dogs caused by a specific Type A influenza virus referred to as a “canine influenza virus.” This is a disease of dogs, not of humans.
Influenza A viruses are found in humans and many different animals, including ducks, chickens, pigs, whales, horses and seals. Additional information on 2009 H1N1 influenza, Flu.gov, and Nonpharmaceutical Interventions (NPIs).