The Current Flu Situation
- The World Health Organization declared that a global pandemic level of H1N1 influenza is underway. More…
- Vaccines are the best tool we have to prevent influenza. The CDC encourages people to get vaccinated against seasonal influenza and the H1N1 flu. More…
- Learn more about the H1N1 flu, Seasonal flu and Prescription Medications. More…
The Domestic Impact
On April 26, 2009 the Department of Health and Human Services issued a nationwide public health emergency declaration in response to the number of confirmed cases of H1N1 flu in the United States. On July 23, 2009, October 1, 2009, December 29, 2009, and March 26, 2010, Secretary Sebelius signed renewals of the determination. The public health emergency declaration expired on June 23, 2010.On October 24, 2009, President Obama signed a national emergency declaration for H1N1 flu.
H1N1 FluView (CDC): | Flu activity is tracked through CDC’s routine influenza surveillance systems and reported weekly in FluView. Flu View (CDC): |
H1N1: The Year in Review - an interactive timeline
Follow the month-by-month development of the 2009 H1N1 flu pandemic.
The Global Impact
- On June 11, 2009, the World Health Organization
(WHO) declared that a global pandemic of H1N1 flu was underway by raising the worldwide pandemic alert level to Phase 6. Note: This action was a reflection of the spread of the new H1N1 flu virus, not the severity of illness caused by the virus. - More than 200 countries reported cases of H1N1 flu infection.
- The United States reported the largest number of H1N1 flu cases of any country worldwide, however, most people who became ill have recovered without requiring medical treatment.
- Continuous global surveillance, rapid detection and isolation of influenza are ongoing, coordinated efforts. More information on the global response
The Facts about Vaccination
For the 2010-2011 flu season, the flu vaccine will protect against the 2009 H1N1 pandemic virus and 2 other flu viruses.
- Flu can still cause illness this summer. Individuals are encouraged to get their seasonal and H1N1 flu shots.
- Seasonal flu and H1N1 flu vaccines may be administered on the same day.
- The 2010-2011 seasonal vaccine will include protection against the H1N1 flu and seasonal flu.
- Our Flu Shot Locator widget will be available in the fall to find where to get vaccinated in your community.
Learn More
Information on Prescription Medications
