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Home Knowledge Center Wellness Library Vaccines to Prevent the Flu

Vaccines to Prevent the Flu

Overview

You can help prevent the flu by getting a flu vaccine every year, as soon as it is available. You cannot get the flu from the vaccine. The vaccine prevents most cases of the flu. But even when the vaccine doesn't prevent the flu, it can make symptoms less severe and reduce the chance of problems from the flu.

Who should get the flu vaccine?

Everyone age 6 months or older should get a flu vaccine each year. It lowers the chance of getting and spreading the flu. The vaccine is very important for people who are at high risk for getting other health problems from the flu. This includes:

  • Anyone 50 years of age or older.
  • People who live in a long-term care center, such as a nursing home.
  • All young children.
  • Adults and children 6 months and older who have long-term heart or lung problems, such as asthma.
  • Adults and children 6 months and older who needed medical care or were in a hospital during the past year because of diabetes, chronic kidney disease, or a weak immune system (including HIV or AIDS).
  • People who are pregnant.
  • People who have any condition that can make it hard to breathe or swallow (such as a brain injury or muscle disorders).
  • People who can give the flu to others who are at high risk for problems from the flu. This includes all health care workers and close contacts of people age 50 or older.

Do flu vaccines protect against more than one strain of flu virus?

Flu vaccines are made to work against more than one strain of flu. For example, a trivalent vaccine works against three strains, and a quadrivalent vaccine works against four strains of flu. The U.S. Centers for Disease Control and Prevention (CDC) does not recommend one version over another version.

Flu viruses are always changing. Each year's flu vaccine is made to protect against viruses that are likely to cause disease that year. Ask your doctor whether or not a vaccine is safe for you and which one may be best for you.

Current as of: June 12, 2023

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

© 2024 Ignite Healthwise, LLC. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Ignite Healthwise, LLC.

Related Links

Common Questions About the Flu Vaccine Influenza (Seasonal Flu)

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