Seasonal Influenza (Flu)

• 2012-2013 Flu Season
  • Vaccine Selection
  • What You Should Know
• 2011-2012 Flu Season
  • Disease Activity
  • Vaccine Selection
• Influenza - Flu Basics
  • Key Facts About Seasonal Flu
  • Influenza Viruses
    • Types of Influenza Viruses
    • How the Flu Virus Can Change
    • Influenza in Animals
    • Bat Flu
    • Canine Flu
  • Symptoms & Severity
  • How Flu Spreads
  • Flu Season
  • Past Flu Seasons
    • 2010-2011
    • 2009-2010
    • 2007-2008
    • 2006-2007
  • Questions & Answers
  • Seasonal Influenza (Flu): Q&A
    • Vaccine Selection for the 2010–2011 Influenza Season
    • Influenza (Flu) Research
    • Reconstruction of the 1918 Influenza Pandemic Virus
    • Seasonal Influenza: Q&A
    • Seasonal Influenza-Associated Hospitalizations in the United States
    • Misconceptions about Seasonal Influenza and Influenza Vaccines
    • Other Respiratory Viruses
    • Cold Versus Flu
    • Seasonal Flu & Staph Infection
• Prevention - Flu Vaccine
  • Take 3 Actions To Fight The Flu
  • Key Facts About Seasonal Flu Vaccine
  • Vaccine Safety
  • 2011-2012 Vaccine Safety Q&A
  • Vaccine Safety Monitoring Systems Q&A
  • Approved Influenza Vaccines
  • Who Should Get Vaccinated Against Influenza
  • Intradermal Influenza (Flu) Vaccination
  • Fluzone High-Dose Seasonal Influenza Vaccine
  • Children, the Flu, and the Flu Vaccine
  • Caregivers of Children Less Than 6 Months Old
  • Seasonal Flu Vaccine Safety and Pregnant Women
  • Q&A on Febrile Seizures
  • Good Health Habits
    • Key Facts About Good Health Habits for Preventing Seasonal Flu
    • Cover Your Cough
    • Stopping the Spread of Germs at Home, Work & School
    • Smoking & Influenza
  • Questions & Answers
    • Vaccine Dosage & Administration
    • Vaccine Supply for 2011-12 Season
    • Vaccine Supply and Distribution in the United States
    • Vaccine Effectiveness
    • Flu Shot
    • Nasal Spray Vaccine (LAIV)
    • Thimerosal
    • Guillain-Barré Syndrome (GBS)
    • Antiviral Drug Resistance
    • Preventing the Flu: Q&A
  • National Influenza Vaccination Week (NIVW)
• Treatment - Antiviral Drugs
  • What You Should Know About Flu Antiviral Drugs
  • Mixing Tamiflu Capsules
  • Drug Resistance
  • Information for Health Care Professionals
  • For People Sick With Flu
    • Taking Care of Yourself
    • Taking Care of Someone Who is Sick
• Specific Groups
  • People at High Risk
    • Young Children
    • Adults 65 Years and Older
    • Pregnant Women
    • Asthma
    • Heart Disease & Stroke
    • Diabetes
    • HIV/AIDS
    • Cancer
  • Parents
  • Health Care Workers
  • Schools & Childcare Providers
    • Guidance for School Administrators to Help Reduce the Spread of Seasonal Influenza in K-12 Schools
    • School-Located Vaccination Materials
    • School-Located Vaccination (SLV): Information for Planners
    • How To Clean and Disinfect Schools To Help Slow the Spread of Flu
  • Business & Employers
  • Legal Professionals and Policymakers
  • Travelers
    • Influenza Prevention
• Health Professionals
  • ACIP Recommendations
    • 2011-12 Vaccination Recommendations
    • Summary of Influenza Vaccination Recommendations
    • Introduction and Biology of Influenza
    • Options for Controlling Influenza
    • Influenza Vaccine Composition
    • Major Differences Between TIV and LAIV
    • Recommendations for Using TIV and LAIV During the Influenza Season
    • Dosage, Administration, and Storage
    • Persons for Whom Annual Vaccination is Recommended
    • Persons Who Should Not Be Vaccinated
    • Vaccination of Specific Populations
    • Shedding, Transmission, and Stability of LAIV Viruses
    • Influenza Vaccines and Use of Influenza Antiviral Medications
    • Concurrent Administration of Influenza Vaccine With Other Vaccines
    • Adverse Events After Receipt of TIV
    • Adverse Events After Receipt of LAIV
    • Timing of Vaccination
    • Vaccine Supply Considerations
    • Evaluating Vaccine Studies
  • Vaccination
    • Vaccine Supply Update
    • Influenza Vaccination: A Summary for Clinicians
    • Seasonal Influenza Vaccine Safety: A Summary for Clinicians
    • Selecting the Viruses in the Influenza (Flu) Vaccine
    • Large-Scale Influenza Vaccination Clinic Planning
    • Flu Vaccine Effectiveness
    • Reallocating Influenza Vaccine
    • Vaccination Information for Health Care Workers
  • FluVaxView Influenza Vaccination Coverage
    • Summary Flu Vaccination Trends (2007-08 through 2010-11)
    • 2011-12 Flu Season, National Immunization Survey and National Flu Survey, March 2012
    • 2011-12 Flu Season, National Flu Survey, November 2011
    • 2011-12 Flu Season, Health Care Personnel (Internet Panel Survey)
    • 2011-12 Flu Season, Pregnant Women (Internet Panel Survey)
    • 2010–11 Final State-Level Flu Vaccination Estimates
    • 2010–11 Flu Season, Interactive Map (Report I)
    • 2010–11 Flu Season, Comparison Table (Report II)
    • 2009–10 Flu Season, Final State-Level Seasonal and H1N1 Flu Vaccination Estimates
    • 2009–10 Flu Season, Interactive Map (Report I)
    • 2009–10 Flu Season, Comparison Table (Report II)
    • 2009-10 Flu Season, Influenza Vaccination Among Women with a Recent Live Birth (PRAMS)
    • 2008–09 Flu Season, Flu Vaccination Estimates, Children Aged 6–23 Months
  • Antiviral Drugs
    • Influenza Antiviral Medications: Summary for Clinicians
    • Antiviral Agents for Influenza
    • Antiviral Drug Resistance Among Influenza Viruses
    • Use of Antivirals
    • Dosage
    • Adverse Events
    • Drug Interactions
    • Emergency Use Authorization
    • Specific Populations
    • Recommendations for Obstetric Health Care Providers Related to Use of Antiviral Medications
    • Additional Links and Resources
    • References
  • Infection Control
    • Prevention Strategies for Seasonal Influenza in Healthcare Settings
    • Interim Guidance for Influenza Outbreak Management in Long-Term Care Facilities
    • Control of Influenza Outbreaks in Institutions
    • Settings Where High-Risk Persons & Their Contacts May Be Targeted For Vaccination
    • Prevention & Control of Influenza in the Peri- and Postpartum Settings
    • Interim Guidance for the Use of Masks to Control Influenza Transmission
    • Respiratory Hygiene/Cough Etiquette
  • Clinical Description & Lab Diagnosis
    • Influenza Symptoms and the Role of Laboratory Diagnostics
    • Rapid Diagnostic Testing: Information for Health Care Professionals
    • Rapid Diagnostic Testing: Information for Clinical Laboratory Directors
    • Guidance for Clinicians on the Use of Rapid Influenza Diagnostic Tests
    • Guidance for Clinicians on the Use of RT-PCR and Other Molecular Assays for Diagnosis of Influenza Virus Infection
    • Clinical Signs and Symptoms of Influenza
  • International Influenza
    • Weekly Flu Activity Reports
    • International Program Highlights
    • Evaluation and Capacity Review Tools
    • CDC International Flu Program
    • Travel Information
    • Links and Resources
  • Training
  • References & Resources
  • Communications to Health Care Providers
• Information For Partners
  • Partners Activities
  • Submit Your Own Flu Season Event
• Flu Activity & Surveillance
  • Situation Update: Summary of Weekly FluView
  • Overview of Influenza Surveillance in the United States
  • Current United States Flu Activity Map
  • Weekly U.S. Influenza Surveillance Report
  • Past Weekly Surveillance Reports
  • United States Surveillance Data: 1997-1998 through 2005-2006 Seasons
  • Estimating Seasonal Influenza-Associated Deaths in the United States
  • Staph Infections
• Avian Flu
  • Current Situation
  • In Birds
  • In Humans
  • Past Oubreaks
  • Highly Pathogenic Avian Influenza A (H5N1) Virus
    • H5N1 In Birds and Other Animals
    • H5N1 In Humans
    • H5N1 Genetic Changes Inventory
    • Public Health Threat
  • Prevention and Treatment
  • Influenza A Type A Viruses and Subtypes
  • Transmission of Avian Influenza A Viruses Between Animals and People
  • Related Links
  • Guidance
    • Guidance for Follow-up of Contacts
    • Guidance for Laboratory Testing
• Swine Flu
  • Swine Flu in Swine (pigs)
    • Key Facts about Swine Influenza (Swine Flu) in Pigs
    • Information for Pork Producers and People Who Work With or Raise Pigs
    • What People Who Raise Pigs Need To Know About Influenza (Flu)
  • Swine Flu/Variant Flu in Humans
    • Key Facts About Swine Flu (Variant) Infections in Humans
    • Reported Infections with Variant Influenza Viruses in the United States since 2005
    • Links to Past Reports
  • Information on H3N2 Variant Influenza A Viruses
    • Protect Yourself Against H3N2v
    • Prevention Strategies for Seasonal and Influenza A(H3N2)v in Health Care Settings
    • Interim Guidance for Influenza Surveillance: Additional Specimen Collection for Detection of Influenza A(H3N2)v Virus Infections
    • Interim Guidance on Specimen Collection, Processing, and Testing for Patients with Suspect Influenza A(H3N2)v Virus Infection
    • Interim Guidance on Case Definitions to be Used For Investigations of Influenza A(H3N2)v Virus Cases
  • Guidance Documents (General)
    • Workers Employed at Commercial Swine Farms
• National Influenza Vaccination Week (NIVW)
  • NIVW Activities
  • Submit Your Own Event for NIVW
  • National Influenza Vaccination Disparities Partnership
  • Media
  • Web Tools
  • NIVW Materials
  • Resources for Faith-Based and Community Organizations
  • Resources for Health Professionals & Partners
  • Influenza Campaign Matte Articles
• Vaccination Pledge
  • Map
  • Videos
  • Get the Widget
• What's New & Updated!
  • Flu News & Spotlights
    • Flu News
    • Flu Spotlights
  • RSS Feed
• Free Resources
  • Print Materials
    • General Public
    • Family and Children
    • High Risk Conditions
    • Pregnant Women
    • Young Adults
    • Seniors 65+ Years
    • Businesses/Employers
    • Health Care Workers
    • Native Americans & Alaskan Natives
    • Spanish Language
  • Web Tools
  • Buttons and Badges
  • Video/Audio Tools
  • Virus Images
  • Flu Prevention Toolkit
  • The Flu I.Q.
• Other Flu Web Sites
  • CDC Resources for Pandemic Flu
    • Pandemic Flu Preparedness Tools
    • Influenza Risk Assessment Tool

Contact Us:

• Centers for Disease Control and Prevention
  1600 Clifton Rd
  Atlanta, GA 30333
• 800-CDC-INFO
  (800-232-4636)
  TTY: (888) 232-6348
• cdcinfo@cdc.gov