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Centers for Disease Control and Prevention. CDC twenty four seven. Saving Lives, Protecting People
Flu Vaccines Work
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For Everyone
  • About the Data
  • Benefits of the Flu Vaccine
  • How Well Flu Vaccines Work
  • Effectiveness Against Different Flu Viruses
  • Children and Older Adults
  • View all
Public Health
  • CDC's Influenza Vaccine Effectiveness Networks
  • CDC Seasonal Flu Vaccine Effectiveness Studies
  • How Flu Vaccine Effectiveness and Efficacy are Measured
  • View all

Related Topics:

Seasonal Flu | Avian Flu | Swine Flu | Flu in Animals | Flu Forecasting | Flu Burden
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Centers for Disease Control and Prevention. CDC twenty four seven. Saving Lives, Protecting People
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Flu Vaccines Work Menu
  • About the Data
  • Benefits of the Flu Vaccine
  • How Well Flu Vaccines Work
  • Effectiveness Against Different Flu Viruses
  • Children and Older Adults
  • View All Home
  • CDC's Influenza Vaccine Effectiveness Networks
  • CDC Seasonal Flu Vaccine Effectiveness Studies
  • How Flu Vaccine Effectiveness and Efficacy are Measured
  • View All
  • Seasonal Flu
  • Avian Flu
  • Swine Flu
  • Flu in Animals
  • Flu Forecasting
  • Flu Burden
View All Flu Vaccines Work
 
About the Data Benefits of the Flu Vaccine How Well Flu Vaccines Work Effectiveness Against Different Flu Viruses Children and Older Adults View All

For Everyone

  • Flu Vaccines Work
  • About the Data
  • Benefits of the Flu Vaccine
  • How Well Flu Vaccines Work
  • Effectiveness Against Different Flu Viruses
  • Children and Older Adults

Public Health

  • CDC's Influenza Vaccine Effectiveness Networks
    • About US Flu VE Network
    • About Investigating Respiratory Viruses in the Acutely Ill (IVY) Network
    • About VISION Vaccine Effectiveness Network
    • About Respiratory Virus Transmission Network for Influenza (RVTN-Flu)
    • About RAIVEN
    • About HAIVEN
  • CDC Seasonal Flu Vaccine Effectiveness Studies
    • Past Seasons' Vaccine Effectiveness Estimates
    • US Flu VE Data for 2019-2020
    • U.S. Flu Vaccine Effectiveness (VE) Data for 2021-2022
    • Flu Vaccine Effectiveness (VE) Data for 2022-2023
    • Flu Vaccine Effectiveness (VE) Data for 2023-2024
  • How Flu Vaccine Effectiveness and Efficacy are Measured
    • Terminology
    • Biases to Consider
    • Outcomes
Related Topics:
  • Seasonal Flu
  • Avian Flu
  • Swine Flu
  • Flu in Animals
  • Flu Forecasting
  • Flu Burden

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Flu Vaccines Work

CDC conducts studies each year to determine how well influenza (flu) vaccines protect against flu.

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For Everyone

  • About the Data
  • Benefits of the Flu Vaccine
  • How Well Flu Vaccines Work
  • Effectiveness Against Different Flu Viruses
  • Children and Older Adults

Public Health

  • CDC's Influenza Vaccine Effectiveness Networks
  • CDC Seasonal Flu Vaccine Effectiveness Studies
  • How Flu Vaccine Effectiveness and Efficacy are Measured
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Contact Us
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  • Call 800-232-4636
  • Contact CDC
About CDC
  • Pressroom
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  • About CDC
Policies
  • Accessibility
  • External Links
  • Privacy
  • Web Policies
  • FOIA
  • OIG
  • No Fear Act
  • Nondiscrimination
  • Vulnerability Disclosure Policy
Languages

Languages

  • Español

Language Assistance

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Archive
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