Genetic Evolution of H7N9 Virus in China
Images of Avian Influenza A H7N9

FluView - Weekly Influenza Surveillance Report


H7N9 Situation and CDC Response Update


FluView - Weekly Influenza Surveillance Report


New Study by Chinese and CDC Experts Shows H7N9 Illness Uncommon in China


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


MMWR: Prevention and Control of Influenza with Vaccines: Interim Recommendations of the Advisory Committee on Immunization Practices (ACIP), 2013


CDC Laboratory Works on H7N9 (CDC Newsroom Sound and Video Clips)


NEW: What You Should Know for the 2013-2014 Influenza Season


Situation Update: Summary of Weekly FluView


FluView - Weekly Influenza Surveillance Report


MMWR: Emergence of Avian Influenza A(H7N9) Virus Causing Severe Human Illness — China, February–April 2013
On May 1, 2013, this report was posted as an MMWR Early Release on the MMWR website (http://www.cdc.gov/mmwr).

FluView - Weekly Influenza Surveillance Report


H7N9 Update; CDC Pandemic Preparedness Activities Progress


NEW: April 2013 NIVDP Newsletter (PDF)


Images of Avian Influenza A H7N9
Images of H7N9 Virus Detection Kits and CDC Scientist working with H7N9 Virus added to page

NEW: Diagnostics for Detecting H7N9 Using rRT-PCR


Updated: Information for Health Professionals


Updated: Avian Influenza A (H7N9) Virus


NEW: Background on Human Infections with other Avian Influenza Viruses


NEW: Interim Recommendations: Prevention and Control of Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices (ACIP), 2013


NEW: H7N9: Frequently Asked Questions


FluView - Weekly Influenza Surveillance Report


WHO: Human infection with avian influenza A(H7N9) virus in China - update


NEW: Interim Guidance on the Use of Antiviral Agents for Treatment of Human Infections with Avian Influenza A (H7N9)


WHO: Human infection with influenza A(H7N9) virus in China - update


NEW: Selected Publications and Resources Related to H7N9


WHO: Human infection with influenza A(H7N9) virus in China - update


WHO: Human infection with influenza A(H7N9) virus in China - update


National Influenza Vaccination Week (NIVW) Dates Announced!


WHO: Human infection with influenza A(H7N9) virus in China - update


WHO: Human infection with influenza A(H7N9) virus in China - update


Situation Update: Summary of Weekly FluView


WHO: Human infection with influenza A(H7N9) virus in China - update


NEW: Additional H7N9 Cases Reported in China; CDC Receives H7N9 Virus Isolate


FluView - Weekly Influenza Surveillance Report


NEW: Interim Guidance for Infection Control Within Healthcare Settings When Caring for Patients with Confirmed, Probable, or Cases Under Investigation of Avian Influenza A(H7N9) Virus Infection


WHO: Human infection with influenza A(H7N9) virus in China - update


WHO: Human infection with influenza A(H7N9) virus in China - update


WHO: Human infection with influenza A(H7N9) virus in China - update


WHO: Human infection with influenza A(H7N9) virus in China - update


WHO: Human infection with influenza A(H7N9) virus in China - update


Travelers' Health: Avian Flu (H7N9) in China


NEW: Interim Guidance on Case Definitions to be Used for Novel Influenza A (H7N9) Case Investigations in the United States


CDC Telebriefing on H7N9 Influenza Cases


Situation Update: Summary of Weekly FluView -- Key Flu Indicators


WHO: Human infection with influenza A(H7N9) virus in China - update


CDC HAN: Human Infections with Novel Influenza A (H7N9) Viruses
Distributed via the CDC Health Alert Network, April 5, 2013, 10:00 a.m. ET, CDCHAN-00344

FluView - Weekly Influenza Surveillance Report


WHO: Human infection with influenza A(H7N9) virus in China - update


WHO: Human infection with influenza A(H7N9) in China – update


NEW: Avian Influenza A (H7N9)


WHO: H7N9 avian influenza human infections in China


Situation Update: Summary of Weekly FluView -- Key Flu Indicators


2012-2013 Flu Season Drawing to a Close
Flu Vaccine Still Best Way to Prevent Flu

FluView - Weekly Influenza Surveillance Report


Questions and Answers about Flublok Influenza Vaccine
Learn about the recently approved flu vaccine, Flublok. This vaccine will be available during the 2013-14 flu season.

Situation Update: Summary of Weekly FluView -- Key Flu Indicators


CDC Reports About 90 Percent of Children Who Died From Flu This Season Not Vaccinated


FluView - Weekly Influenza Surveillance Report


NEW: March 2013 NIVDP Newsletter


UPDATED: Vaccine Effectiveness - How Well Does the Flu Vaccine Work? Questions and Answers


UPDATED: What You Should Know for the 2012-2013 Influenza Season, Questions and Answers


Situation Update: Summary of Weekly FluView -- Key Flu Indicators


Study Shows Flu Vaccination Prevents Hospitalizations in Older Adults


FluView - Weekly Influenza Surveillance Report


New Resource! Download NFID and NASN's flu prevention coloring book! PDF, 4.5MB


UPDATED: Total doses of distributed flu vaccine


Situation Update: Summary of Weekly FluView -- Key Flu Indicators


Partner Success Stories: National Association of School Nurses (NASN) Blogger Briefing


Situation Update: Summary of Weekly FluView -- Key Flu Indicators


FluView - Weekly Influenza Surveillance Report


UPDATED: What You Should Know for the 2012-2013 Influenza Season, Questions & Answers


Update: Influenza Activity — United States, September 30, 2012–February 9, 2013. MMWR February 22, 2013 / 62(07);124-130.


Interim Adjusted Estimates of Seasonal Influenza Vaccine Effectiveness — United States, February 2013. MMWR February 22, 2013 / 62(07);124-130.


Selected Publications on Influenza Vaccine Effectiveness


Updated: Total doses of distributed flu vaccine


New! February 2013 NIVDP Newsletter


Situation Update: Summary of Weekly FluView -- Key Flu Indicators


Partner Success Stories: National Healthy Mothers, Healthy Babies Coalition (HMHB)


Situation Update: Summary of Weekly FluView -- Key Flu Indicators


Updated: Total doses of flu vaccine distributed for the 2012-2013 season


Partner Success Stories: Families Fighting Flu


Matte Article for Seniors, PDF
This flu season is shaping up to be especially hard on seniors.

Flu Season Continues; Seniors Hit Hard
CDC Urges People 65 and Older to Seek Treatment for Flu Symptoms Promptly

UPDATED: Total Numbers of Flu Vaccine Doses Distributed


NEW: CDC Influenza Update for Geriatricians and Other Clinicians Caring for People 65 and Older


NEW: January 2013 NIVDP Newsletter, PDF


Partner Success Stories
During the 2012-2013 flu season, the Fort Wayne-Allen County Department of Health launched an ongoing vaccination awareness campaign.

Telebriefing on Flu Season and Vaccine Effectiveness
Friday, January 18, 2013 at 12:00 p.m. ET

Notice to Clinicians: Summary of CDC Recommendations for Influenza Antiviral Medications.
Distributed via the CDC Health Alert Network , January 15, 2013, 16 :00 ET, CDCHAN-00339

CDC Influenza Update for Pediatricians
2012-2013 Influenza Season, Impact on Children, Summary Guidance

CDC Information for Pharmacists 2012-2013 Influenza Season
2012-2013 Influenza Season

CDC Update: Flu Season and Vaccine Effectiveness


Early Estimates of Seasonal Influenza Vaccine Effectiveness —United States, January 2013


Reallocation of Flu Vaccine
Read about reallocating flu vaccine in the case of a shortage.

Protect The Circle of Life, Public Service Announcements (PSAs) Radio
For American Indian/Alaskan Native audiences.

FDA Current Drug Shortages: Oseltamivir Phosphate (Tamiflu) for Oral Suspension (6mg/mL 60 mL)
(Initial Posting Date) – 1/10/2013

UPDATED: Evaluation and Capacity Review Tools


NEW: Cell-Based Flu Vaccines Q&A
This Q&A answers questions about the new cell-based flu vaccines being developed.

Flu Activity Picks Up Nationwide
CDC recommends vaccination and antiviral treatment against influenza

UPDATED: Seasonal Flu Vaccine Safety and Pregnant Women


UPDATED: What You Should Know for the 2012-2013 Influenza Season


NEW: December 2012 NIVDP Newsletter, PDF


FDA expands Tamiflu's use to treat children younger than 1 year


UPDATED: Influenza Prevention Partners Activities


FDA Approves Use of GSK 4-strain Flu Vaccine


UPDATED: Images of Influenza Viruses
Understanding Influenza (Flu) Infection: An Influenza Virus Binds to a Respiratory Tract Cell

African Countries Gain Ground in Fight Against Influenza


UPDATED: Total Numbers of Flu Vaccine Doses Distributed


NEW: Tratamiento de la Influenza (Gripe), PDF in Spanish


NEW: Flu Basics Pictograms in Spanish
Plain language flu documents are available to improve knowledge of seasonal flu.

UPDATED: FluView Interactive
A new FluView Interactive application is available that allows for customized, visual interpretations of influenza-associated hospitalization data, as well as comparisons across flu seasons, regions, age groups, and a variety of other demographics

Information for Flu Prevention Partners: Partner Success Stories
Featuring National Association of School Nurses (NASN)

NEW: Flu and Children with Neurologic Conditions
A guide for parents to help protect children with neurologic conditions from influenza.

UPDATED: Seasonal Flu Shot Questions and Answers


Update: Influenza Activity — United States, September 30–November 24, 2012. MMWR, 61(48);990-993


Press Briefing Transcript: Telebriefing on U.S. Influenza Activity and Vaccination Rates for Current Season


UPDATED: Total Doses of Distributed Flu Vaccines


National Early Season Flu Vaccination Coverage, United States, 2012-13 Influenza Season


Health Care Personnel Flu Vaccination, Internet Panel Survey, United States, November, 2012


Pregnant Women and Flu Shots, Internet Panel Survey, United States, November, 2012


U.S. Flu Season Off To Early Start, CDC Urges Vaccination


UPDATED: Influenza A (H3N2) Variant Virus


National Influenza Vaccination Week: Free NIVW Web Tools


NEW: NIVW Matte Article: It’s not too late to vaccinate – Get your flu vaccine today! PDF


NEW: 2012-2013 NIVW Update PDF
See what CDC has planned in observance of NIVW Dec. 2-8, 2012!

NEW: 2012 NIVW Key Points PDF


UPDATED: National Influenza Vaccination Week: Calendar of Events


NEW: Don't Catch The Flu!
NFL players Matt Birk of the Baltimore Ravens and Joe Thomas of the Cleveland Browns explain why they get vaccinated against the flu.

NEW: CDC Influenza Application for Clinicians and Health Care Professionals
The CDC Influenza application for clinicians and other health care professionals makes it easier than ever to find CDC’s latest recommendations and influenza activity updates on your iPad.

UPDATED: 2012-2013 Influenza Campaign Matte Articles


UPDATED: Total Doses Distributed of 2012-13 Influenza Vaccine


UPDATED: National Influenza Vaccination Awareness Campaign: Media Toolkit


NEW: November NIVDP Newsletter


Got Diabetes? Take Action to Protect Yourself
Get Your Flu Vaccine During National Diabetes Month

Mobile Content, Syndication, and RSS
Explore available influenza-related mobile content including apps tailored for viewing on iPhones, Android, and other handheld devices; syndicated content and RSS feeds.

UPDATED: Information for Health Professionals: Antiviral Drugs


UPDATED: Vaccine Safety Information for Clinicians


UPDATED: Seasonal Influenza Vaccine & Total Doses Distributed


UPDATED: National Influenza Vaccination Week: Free NIVW Web Tools


MMWR: Evaluation of 11 Commercially Available Rapid Influenza Diagnostic Tests — United States, 2011–2012, November 2, 2012
This CDC Morbidity and Mortality Weekly Report (MMWR) evaluates the performance of 11 commercially available rapid influenza diagnostic tests (RIDTs), describes best practices for obtaining the best results from RIDTS, and establishes a new methodology for routine evaluation of RIDTs going forward that may lead to the development of better tests.

Influenza Division International Program Fiscal Year 2011 Annual Report


UPDATED: Seasonal Influenza Vaccine & Total Doses Distributed


National Influenza Vaccination Disparities Partnership - October 2012 Influential News - PDF


UPDATED: Guidance for Standards-Based Electronic Laboratory Reporting for Influenza


UPDATED: Seasonal Influenza Vaccine & Total Doses Distributed


UPDATED: The Flu Season


UPDATED: Matte Articles Available for 2012-2013 Flu Season


UPDATED: Situation Update - Summary of Weekly FluView


CDC Releases First FluView Report for 2012-2013 Influenza Season


FluView Interactive
Influenza Surveillance Data the Way You Want It

Update: Influenza Activity — United States and Worldwide, May 20–September 22, 2012. Morbidity and Mortality Weekly Report (MMWR), 61(39);785-789.


Medscape Commentary: Sorting Out the 2012-2013 Influenza Vaccine Recommendations


UPDATED: 2012-2013 Seasonal Influenza Vaccine Safety Questions and Answers


UPDATED: Influenza Vaccination - A Summary for Clinicians


Influenza Prevention and Control for Children and Youth with Special Health Care Needs (COCA Call) - September 27, 2012


NFID Influenza/Pneumococcal News Conference


Past Flu Seasons: 2011-2012 Influenza Season


Influenza A (H3N2) Variant Virus-Related Hospitalizations — Ohio, 2012. MMWR Morb Mortal Wkly Rep 2012; 61(38);764-767


Influenza Vaccination Coverage Among Health-Care Personnel — 2011–12 Influenza Season, United States. MMWR Morb Mortal Wkly Rep 2011;61(38)


Influenza Vaccination Coverage Among Pregnant Women — 2011–12 Influenza Season, United States. MMWR Morb Mortal Wkly Rep 2011;61(38)


Updated: Past Flu Seasons


FluVaxView Influenza Vaccination Coverage


UPDATED: Seasonal Influenza Vaccine & Total Doses Distributed


Submit your flu prevention success stories!


Influenza Flu Syndicated Content


UPDATED: Flu Information for Businesses


Notes from the Field: Highly Pathogenic Avian Influenza A (H7N3) Virus Infection in Two Poultry Workers — Jalisco, Mexico, July 2012, MMWR


Video Podcast: CDC Recommendations to Reduce the Risk of H3N2v Flu Virus Infection for Fairgoers and Swine Exhibitors


Temas que los organizadores de ferias deben considera r al planificar las ferias, PDF


Tome medidas para prevenir la propagación de la influenza entre personas y cerdos en las ferias, PDF


UPDATED: Community Flu 2.0 Software
CommunityFlu is a software program that simulates the spread of influenza through a model community, and the impact of a variety of potential interventions.

H1N2 Variant Virus Detected in Minnesota


Información Básica para Personas que Exhiben Cerdos en Las Ferias, PDF


Updated Q&A: Common Questions about the Nasal Spray Flu Vaccine


Key Facts for People Exhibiting Pigs at Fairs


CDC Reports More Cases, Hospitalizations and Nation’s First H3N2v-Associated Death


Key Findings: Neurologic Disorders among Pediatric Deaths Associated with the 2009 Pandemic Influenza in the United States


CDC Press Release: Children with neurologic disorders at high risk of death from flu


Updated Q&A: The Children, the flu, and the flu vaccine


H3N2v Update: New Cases Reported, Limited Person-to-Person Transmission Detected


Influenza A (H3N2) Variant Virus Outbreaks


H3N2v and You


UPDATED: Questions & Answers - Thimerosal and 2012-2013 Seasonal Flu Vaccines


Table of Approved Influenza Vaccines for the 2012-13 Season


UPDATED: Questions and Answers - Guillain-Barré syndrome (GBS)


UPDATED: Q & A: Seasonal Flu Vaccine Safety and Pregnant Women


UPDATED: Questions and Answers - Vaccine Safety Monitoring Systems for 2012-2013 Influenza Season


UPDATED: Interim Guidance for Enhanced Influenza Surveillance: Additional Specimen Collection for Detection of Influenza A (H3N2) Variant Virus Infections


Radio event in Northfield, New Jersey
Tune in to 1450 AM radio Wednesday, August 22 at 7:00 am, or listen live online, "Hurley in the Morning".

UPDATED: Issues for Fair Organizers to Consider When Planning Fairs


Data Interpretation Update to the CDC Flu rRT-PCR Dx Panel (Catalog # FluIVD03) PDF


UPDATED: Take Action to Prevent the Spread of Flu Between People and Pigs at Fairs


UPDATED: Information on Influenza A (H3N2) Variant Viruses (“H3N2v”)


More H3N2v Cases Reported, Still Linked to Pig Exposure


Supplemental Interim Guidance for School Administrators Associated with Possible Outbreaks of H3N2 Variant Influenza Virus ("H3N2v")


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


Flu Vaccination Communication Plans and Strategies


Issues for Fair Organizers to Consider When Planning Fairs


Interim Information for Clinicians about Human Infections with H3N2v Virus


Evaluation of Rapid Influenza Diagnostic Tests for Influenza A (H3N2)v Virus and Updated Case Count — United States, 2012


CDC Telebriefing: CDC Update on H3N2v Cases Telebriefing


CDC Health Advisory: Increase in Influenza A H3N2v Virus Infections in Three U.S. States


CDC Telebriefing: Influenza A (H3N2) Variant Virus - Friday, August 3, 2012, Noon ET


CDC Reports Cases 18-29 of H3N2v Virus Infection


Seasonal Flu: International Situation Update
This report is a summary of key influenza-related updates created from regional World Health Organization (WHO) reports, country reports, CDC field staff updates, and other sources. Updates are listed by region.

Partner Flu Season Activity
Flu Season Awareness Night at the Washington Nationals Baseball Game

New American Indian/Alaskan Native Materials!
These new resources (including a poster, brochure, and fact sheet) are research-based materials developed to reach American Indian and Alaskan Native populations. These resources will also be availabl

CDC Reports Cases 14-17 of H3N2v Infection; Shares Advice for Safe Fair-Going


Notes from the Field: Outbreak of Influenza A (H3N2) Virus Among Persons and Swine at a County Fair — Indiana, July 2012. MMWR 2012; 61(29); 561.


New Partner Activities
See what others are already doing to prepare for flu season. Share your plans with us and we'll feature your activities on CDC's website!

UPDATED: High Dose Flu Vaccine Questions and Answers
This page provides common questions and answers about the high dose flu vaccine.

UPDATED: Recent Influenza Vaccination Trends across Influenza Seasons


UPDATED: Intradermal Influenza (Flu) Vaccination Questions and Answers
This page includes common questions and answers about the intradermal flu vaccine.

NIVDP Influential News, Special Edition, 7/2012 - PDF


NIVW 2012 Poster
Get a jump start on your National Influenza Vaccination Week (NIVW) planning this year. The NIVW poster is available in customizable (add your organization name and information) and non-customizable versions.

Flu Vaccination Recommendation Cards for High Risk Patients
Health care professionals/specialists can recommend flu vaccination to their high risk patients with these recommendation cards.

UPDATED: Key Facts About the Flu Vaccine
The key facts about the flu vaccine page has been updated for the 2012-13 flu season.

Updated Vaccine Information Statements for the 2012-13 Flu Season
The 2012-2013 Vaccine Information Statements for Influenza are now available.

Flu Spotlight: First Global Estimates of 2009 H1N1 Pandemic Mortality Released by CDC-Led Collaboration


UPDATED: Interim Guidance for Follow-up of Contacts of Persons with Suspected Infection with Highly Pathogenic Avian Influenza A (H5N1) Virus


UPDATED: Interim Guidance for Laboratory Testing of Persons with Suspected Infection with Highly Pathogenic Avian Influenza A (H5N1) Virus in the United States


Avian Influenza Current Situation


Past Outbreaks of Avian Influenza in North America


Prevention and Treatment of Avian Influenza A Viruses in People


UPDATED: Avian Influenza A Virus Infections in Humans


UPDATED: Avian Influenza in Birds


UPDATED: Highly Pathogenic Avian Influenza A (H5N1) in Birds and Other Animals


UPDATED: Highly Pathogenic Avian Influenza A (H5N1) in People


CDC Influenza Pandemic Resources
Updated CDC resources to prepare for an influenza pandemic

Influenza Risk Assessment Tool
The Influenza Risk Assessment Tool (IRAT) helps assess the threat of influenza viruses with pandemic potential.

H5N1 Genetic Changes Inventory
This is the actual list of all genetic changes found in H5N1 viruses as of June 21, 2012.

H5N1 Genetic Changes Inventory: A Tool for International Surveillance
To support international surveillance and pandemic preparedness efforts for highly pathogenic avian influenza A H5N1, CDC has compiled an inventory of H5N1 genetic changes.

Influenza Vaccination Among Women with a Recent Live Birth, Pregnancy Risk Assessment Monitoring Systems (PRAMS), 2009-10 Influenza Season


Vaccine Virus Selection for the 2012-2013 Influenza Season


What You Need to Know for the 2012-2013 Flu Season


UPDATED: Influenza Activity — United States, 2011–12 Season and Composition of the 2012–13 Influenza Vaccine
Morbidity and Mortality Weekly Report (MMWR)

June 2012 National Influenza Vaccination Disparities Partnership Newsletter, PDF
The June 2012 NIVDP newsletter pays special tribute to our NIVDP partners who are working within the Latino community to increase awareness about the importance of influenza vaccination.

2011-2012 Flu Season Draws to a Close
Last full FluView posted May 25, 2012 Shows U.S. Influenza Activity at Summer Levels

NIVDP Influential News, Special Edition, 5/2012, PDF
This edition recognizes grassroots leaders within the African American community, unstoppable in spreading the word about influenza vaccination.

2012 National Influenza Vaccination Week Dates Announced
National Influenza Vaccination Week (NIVW) will be held December 2-8, 2012. Start planning your flu vaccination efforts now!

CDC Study: Treating children’s flu illness costly
A new study by the Centers for Disease Control and Prevention in the journal Vaccine puts a dollar figure on treating influenza illness in young children.

Results from the March 2012 National Immunization Survey and National Flu Survey - United States, 2011-12 Influenza Season
CDC routinely monitors influenza vaccination coverage to assess the impact of influenza vaccination programs in different populations. This report provides interim national estimates of influenza vaccination coverage for the 2011-12 influenza season.

Partner Activities
This page lists flu events hosted or attended by flu partners, taking place throughout the country. For information on how to become a flu partner, visit http://www.cdc.gov/flu/partners/index.htm.

Flu Season Event: Submit Your Plans
We encourage all our Flu Prevention Partners to submit flu vaccine promotion activities and events taking place throughout the 2012-2013 flu season.

National Flu Summit Award Winners Announced
Recognizing the value and extraordinary contributions of individuals and organizations towards improved adult, adolescent, and/or childhood influenza vaccination rates within their communities during the 2011-2012 influenza season, the National Influenza Vaccine Summit is pleased to announce the recipients of the 2012 NIVS Immunization Excellence Awards. The awards will be presented during the National Influenza Vaccine Summit in Atlanta, Georgia, May 17, 2012.

Podcast: Oseltamivir-Resistant Flu
Dr. Aaron Storms, an Epidemic Intelligence Service (EIS) officer at CDC, discusses his paper about oseltamivir-resistant H1N1flu.

National Influenza Vaccination Disparities Partnership, Influential News, April Newsletter, PDF


UPDATED: International Influenza Laboratory Capacity Review Tool
The CDC-APHL International Influenza Laboratory Capacity Review Tool (IILCRT) is a data gathering tool to assess laboratory capabilities and capacities, with an emphasis on influenza diagnostics.

Lao People’s Democratic Republic to Launch Seasonal Flu Vaccination Program
Country’s Advancements, Long-term Collaboration with CDC and WHO, and Vaccine Donation from Walgreens Lead to Solid Step Forward in Influenza Prevention

Answers to Common Questions about Flu Vaccine Safety (streaming video)
Dr. Claudia Vellozzi with CDC's Immunization Safety Office answers questions about the safety of flu vaccines. This video is intended for general audiences as well as health care professionals.

FluView Influenza-Like Illness Activity Mobile Application
With this application, you can explore influenza-like illness (ILI) activity levels across the US, view ILI trends over several weeks, and get on-demand access to state health department websites for local surveillance information.

First H3N2 Variant Virus Infection Reported For 2012


Flu and Heart Disease & Stroke
People with heart disease and those who have had a stroke are at increased risk of complications from influenza (the flu).