A federal government website managed by the U.S. Department of Health & Human Services
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Reports
Centers for Disease Control and Prevention (CDC) Surveillance Reports
Current Weekly Influenza Report
2011-2012 Influenza Season Summary
2010-2011 Influenza Season Summary
2009-2010 Influenza Season Summary
2008-2009 Influenza Season Summary
2007-2008 Influenza Season Summary
2006-2007 Influenza Season Summary
2005-2006 Influenza Season Summary
Seasonal Flu Updates
2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005
2013
January 25, 2013
Flu Season Continues; Seniors Hit Hard
January 4, 2013
Flu Activity Picks Up Nationwide
2012
November 2, 2012
Evaluation of 11 Commercially Available Rapid Influenza Diagnostic Tests — United States, 2011–2012
2011
December 9, 2011
Have You Heard? — CDC confirms two human infections with novel influenza viruses
December 9, 2011
Update: Influenza Activity — United States, October 2–November 26, 2011
December 2, 2011
Announcement: National Influenza Vaccination Week — December 4–10, 2011
December 2, 2011
Limited Human-to-Human Transmission of Novel Influenza A (H3N2) Virus – Iowa, November 2011
September 20, 2011
Notice to Readers: Revised Estimates of the Public Health Impact of 2009 Pandemic Influenza A (H1N1) Vaccination
September 16, 2011
Update: Influenza Activity — United States, May 22-September 3, 2011
September 16, 2011
Influenza-Associated Pediatric Deaths — United States, September 2010–August 2011
September 9, 2011
Swine-Origin Influenza A (H3N2) Virus Infection in Two Children—Indiana and Pennsylvania, July–August 2011
August 26, 2011
Prevention and Control of Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices (ACIP), 2011
August 19, 2011
Influenza Vaccination Coverage Among Health-Care Personnel—United States, 2010–11 Influenza Season
August 19, 2011
Influenza Vaccination Coverage Among Pregnant Women—United States, 2010–11 Influenza Season
June 17, 2011
Place of Influenza Vaccination Among Adults—United States, 2010–11 Influenza Season
June 10, 2011
Interim Results: State-Specific Influenza Vaccination Coverage—United States, August 2010–February 2011
June 3, 2011
Update: Influenza Activity—United States, 2010–11 Season, and Composition of the 2011–12 Influenza Vaccine
February 18, 2011
Update: Influenza Activity—United States, October 3, 2010–February 5, 2011
January 21, 2011
Self-Reported Influenza-Like Illness During the 2009 H1N1 Influenza Pandemic—United States, September 2009–March 2010
2010
December 24, 2011
Update: Influenza Activity—United States, October 3–December 11, 2010
December 3, 2010
Seasonal Influenza and 2009 H1N1 Influenza Vaccination Coverage Among Pregnant Women—10 States, 2009–10 Influenza Season
December 3, 2010
Announcement: National Influenza Vaccination Week—December 5–11, 2010
October 15, 2010
Announcements: Final 2009–10 Influenza Season Vaccination Coverage Estimates
October 8, 2010
Influenza Activity—United States and Worldwide, June 13–September 25, 2010
August 27, 2010
Estimates of Deaths Associated with Seasonal Influenza—United States, 1976–2007
July 30, 2010
Update: Influenza Activity—United States, 2009–10 Season
June 11, 2010
Deaths and Hospitalizations Related to 2009 Pandemic Influenza A (H1N1)—Greece, May 2009–February 2010
April 30, 2010
Interim Results: State-Specific Seasonal Influenza Vaccination Coverage—United States, August 2009–January 2010
April 16, 2010
Update: Influenza Activity—United States, August 30, 2009–March 27, 2010, and Composition of the 2010–11 Influenza Vaccine
March 26, 2010
2009 Pandemic Influenza A (H1N1) in Pregnant Women Requiring Intensive Care—New York City, 2009
January 22, 2010
Update: Influenza Activity—United States, August 30, 2009–January 9, 2010
January 22, 2010
Interim Results: Influenza A (H1N1) 2009 Monovalent Vaccination Coverage—United States, October–December 2009
January 8, 2010
Announcement: National Influenza Vaccination Week—January 10–16, 2010
2009
December 11, 2009
Deaths Related to 2009 Pandemic Influenza A (H1N1) Among American Indian/Alaska Natives—12 States, 2009
December 11, 2009
Safety of Influenza A (H1N1) 2009 Monovalent Vaccines—United States, October 1–November 24, 2009
November 13, 2009
Update: Influenza Activity—United States, August 30–October 31, 2009
October 9, 2009
Influenza Vaccination Coverage Among Children and Adults—United States, 2008–09 Influenza Season
October 9, 2009
Update on Influenza A (H1N1) 2009 Monovalent Vaccines
October 9, 2009
Announcement: New System for Monitoring Emergency Department Visits for Influenza-Like Illness
October 2, 2009
Influenza Vaccination Coverage Among Children Aged 6–23 Months—United States, 2007–08 Influenza Season
September 18, 2009
Update: Influenza Activity—United States, April–August 2009
September 4, 2009
Surveillance for Pediatric Deaths Associated with 2009 Pandemic Influenza A (H1N1) Virus Infection—United States, April–August 2009
August 7, 2009
Evaluation of Rapid Influenza Diagnostic Tests for Detection of Novel Influenza A (H1N1) Virus—United States, 2009
June 19, 2009
Novel Influenza A (H1N1) Virus Infections Among Health-Care Personnel—United States, April–May 2009
May 15, 2009
Novel Influenza A (H1N1) Virus Infections in Three Pregnant Women—United States, April–May 2009
May 8, 2009
Update: Novel Influenza A (H1N1) Virus Infections—Worldwide, May 6, 2009
May 1, 2009
Update: Swine-Origin Influenza A (H1N1) Virus—United States and Other Countries
May 1, 2009
Update: Drug Susceptibility of Swine-Origin Influenza A (H1N1) Viruses, April 2009
April 17, 2009
Update: Influenza Activity—United States, September 28, 2008—April 4, 2009, and Composition of the 2009 – 10 Influenza Vaccine
April 3, 2009
Use of Northern Hemisphere Influenza Vaccines by Travelers to the Southern Hemisphere
February 13, 2009
Update: Influenza Activity—United States, September 28, 2008–January 31, 2009
2008
December 12, 2008
Update: Influenza Activity—United States, September 28–November 29, 2008
September 26, 2008
State-Specific Influenza Vaccination Coverage Among Adults—United States, 2006–07 Influenza Season
September 26, 2008
Influenza Vaccination Coverage Among Children Aged 6–23 Months—United States, 2006–07 Influenza Season
September 26, 2008
Influenza Activity—United States and Worldwide, May 18–September 19, 2008
July 8, 2008
Report on Home Health Care during an Influenza Pandemic
June 27, 2008
Influenza Activity—United States and Worldwide, 2007–08 Season
June 20, 2008
Influenza Vaccination Coverage Among Persons with Asthma—United States, 2005–06 Influenza Season
April 18, 2008
Update: Influenza Activity—United States, September 30, 2007–April 5, 2008, and Composition of the 2008–09 Influenza Vaccine
March 19, 2008
Fifth Pandemic Planning Update Report Released
February 22, 2008
Update: Influenza Activity—United States, September 30, 2007–February 9, 2008
2007
December 14, 2007
Update: Influenza Activity—United States, September 30–December 1, 2007
November 23, 2007
Notice to Readers: National Influenza Vaccination Week—November 26–December 2, 2007
November 23, 2007
Notice to Readers: Availability of Additional Trivalent Inactivated Influenza Vaccine for Adults (Afluria®)
September 28, 2007
Update: Influenza Activity—United States and Worldwide, May 20–September 15, 2007
September 21, 2007
State-Specific Influenza Vaccination Coverage Among Adults Aged >18 Years—United States, 2003–04 and 2005–06 Influenza Seasons
September 21, 2007
Influenza Vaccination Coverage Among Children Aged 6–23 Months—United States, 2005–06 Influenza Season
August 10, 2007
Update: Influenza Activity—United States and Worldwide, 2006–07 Season, and Composition of the 2007–08 Influenza Vaccine
March 9, 2007
Influenza Vaccination Coverage Among Children with Asthma—United States, 2004–05 Influenza Season
February 16, 2007
Update: Influenza Activity—United States, October 1, 2006–February 3, 2007
2006
December 22, 2006
Update: Influenza Activity—United States, October 1–December 9, 2006
November 24, 2006
Notice to Readers: National Influenza Vaccination Week—November 27–December 3, 2006
November 13, 2006
Department of Health and Human Services Releases Pandemic Planning Update III
November 2, 2006
WHO Working Group Report: Influenza Research at the Human and Animal Interface
October 6, 2006
Influenza and Pneumococcal Vaccination Coverage Among Persons Aged >65 Years—United States, 2004–2005
October 6, 2006
Childhood Influenza Vaccination Coverage—United States, 2004–05 Influenza Season
September 22, 2006
Update: Influenza Activity—United States and Worldwide, May 21–September 9, 2006
June 29, 2006
Department of Agriculture Releases 180 Day Pandemic Planning Report
May 19, 2006
Notice to Readers: Estimating Potential Impact of an Influenza Pandemic Using 1968- and 1918-Type Scenarios
April 21, 2006
Update: Influenza Activity—United States, April 2–8, 2006
April 14, 2006
Update: Influenza Activity—United States, March 26–April 1, 2006
April 7, 2006
Update: Influenza Activity—United States, March 19–25, 2006
March 31, 2006
Update: Influenza Activity—United States, March 12–18, 2006
March 24, 2006
Update: Influenza Activity—United States, March 5–11, 2006
March 17, 2006
Update: Influenza Activity—United States, February 26–March 4, 2006
March 10, 2006
Influenza Activity—United States, February 19–25, 2006
March 3, 2006
Update: Influenza Activity—United States, February 12–18, 2006
February 24, 2006
Update: Influenza Activity—United States, February 5–11, 2006
February 17, 2006
Update: Influenza Activity—United States, January 29–February 4, 2006
February 10, 2006
Update: Influenza Activity—United States, January 22–28, 2006
February 3, 2006
Update: Influenza Activity—United States, January 15–21, 2006
February 3, 2006
Childhood Influenza Vaccination Coverage—United States, 2003–04 Influenza Season
January 27, 2006
Update: Influenza Activity—United States, January 8–14, 2006
January 20, 2006
Update: Influenza Activity—United States, January 1–7, 2006
January 13, 2006
Update: Influenza Activity—United States, December 25–31, 2005
January 6, 2006
Update: Influenza Activity—United States, December 18–24, 2005
2005
December 16, 2005
Update: Influenza Activity—United States, October 2–December 3, 2005
October 21, 2005
Influenza Vaccination Levels Among Persons Aged >65 Years and Among Persons Aged 18–64 Years with High-Risk Conditions—United States, 2003
October 21, 2005
Influenza Vaccination in Pregnancy: Practices Among Obstetrician-Gynecologists—United States, 2003–04 Influenza Season
September 16, 2005
Update: Influenza Activity—United States and Worldwide, May 22–September 3, 2005, and 2005–06 Season Vaccination Recommendations
September 2, 2005
Update: Influenza Vaccine Supply and Recommendations for Prioritization During the 2005–06 Influenza Season
August 5, 2005
Tiered Use of Inactivated Influenza Vaccine in the Event of a Vaccine Shortage
July 1, 2005
Update: Influenza Activity—United States and Worldwide, 2004–05 Season
April 8, 2005
Update: Influenza Activity—United States, 2004–05 Season
April 1, 2005
Estimated Influenza Vaccination Coverage Among Adults and Children—United States, September 1, 2004–January 31, 2005
March 4, 2005
Update: Influenza Activity United States, 2004–05 Season
January 14, 2005
Update: Influenza Activity—United States, 2004–05 Season