Different Types of Flu Vaccines

Note: “Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices — United States, 2021-2022 Influenza Season” has been published. More information on the upcoming 2021-2022 season is also available.

Influenza (flu) vaccines cause antibodies to develop in the body about two weeks after vaccination. These antibodies provide protection against infection with the viruses that are used to make vaccine. The seasonal flu vaccine protects against the influenza viruses that research suggests may be most common during the upcoming season. Below are links to more information about the different type of flu vaccines available.

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