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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

Previous Years

Seasonal Flu Updates

2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005

2013

June 14, 2013
Influenza Activity — United States, 2012–13 Season and Composition of the 2013–14 Influenza Vaccine

May 1, 2013
Emergence of Avian Influenza A(H7N9) Virus Causing Severe Human Illness — China, February–April 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

August 17, 2012
Prevention and Control of Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices (ACIP) — United States, 2012–13 Influenza Season

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
Maternal and Infant Outcomes Among Severely Ill Pregnant and Postpartum Women with 2009 Pandemic Influenza  A (H1N1) — United States, April 2009–August 2010

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
Seasonal Influenza Vaccination Coverage Among Children Aged 6 Months–18 Years—Eight Immunization Information System Sentinel Sites, United States, 2009–10 Influenza Season

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

June 4, 2010
Preliminary Results: Surveillance for Guillain-Barré Syndrome After Receipt of Influenza A (H1N1) 2009 Monovalent Vaccine—United States, 2009–2010

April 30, 2010
Interim Results: State-Specific Seasonal Influenza Vaccination Coverage—United States, August 2009–January 2010

April 30, 2010
Licensure of a High-Dose Inactivated Influenza Vaccine for Persons Aged ≥65 Years (Fluzone High-Dose) and Guidance for Use—United States, 2010

April 16, 2010
Update: Influenza Activity—United States, August 30, 2009–March 27, 2010, and Composition of the 2010–11 Influenza Vaccine

April 2, 2010
Interim Results: State-Specific Influenza A (H1N1) 2009 Monovalent Vaccination Coverage—United States, October 2009–January 2010

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 26, 2009
Updated Recommendations for Use of Haemophilus influenzae Type b (Hib) Vaccine: Reinstatement of the Booster Dose at Ages 12–15 Months

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: Infections With a Swine-Origin Influenza A (H1N1) Virus—United States and Other Countries, April 28, 2009

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: Expansion of Use of Live Attenuated Influenza Vaccine (FluMist®) to Children Aged 2–4 Years and Other FluMist Changes for the 2007–08 Influenza Season

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

April 6, 2007
Notice to Readers: Addition of Novel Influenza A Virus Infections to the National Notifiable Diseases Surveillance System, 2007

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

December 15, 2006
Brief Report: Influenza Vaccination Coverage Among Children Aged 6–23 Months—Six Immunization Information System Sentinel Sites, United States, 2005–06 Influenza Season

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

June 16, 2006
Update: Influenza Activity—United States and Worldwide, 2005–06 Season, and Composition of the 2006–07 Influenza Vaccine

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 23, 2005
Influenza Vaccination Coverage Among Persons Aged 50–64 Years Enrolled in Commercial Managed Health-Care Plans—United States, 2003–04 and 2004–05 Influenza Seasons

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