Different Types of Flu Vaccines

Note: “ Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices — United States, 2020-2021 Influenza Season” has been published. CDC recommends annual influenza vaccination for everyone 6 months and older with any licensed, age-appropriate flu vaccine (IIV, RIV4, or LAIV4) with no preference expressed for any one vaccine over another. More information about the upcoming 2020-2021 flu 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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