What is a quadrivalent vaccine?

Listen to pronunciation. (KWAH-drih-VAY-lent vak-SEEN) A vaccine that works by stimulating an immune response against four different antigens, such as four different viruses or other microorganisms.

What is the difference between quadrivalent and senior flu vaccine?

Fluzone High-Dose Quadrivalent contains four times the antigen, the part of the vaccine that helps your body build up protection against flu viruses, than Fluzone Quadrivalent and other standard-dose inactivated flu vaccines.

What is the name of the quadrivalent flu vaccine?

Fluarix Quadrivalent (Influenza Vaccine): 138 people got the flu (3.2%). FLUBLOK® QUADRIVALENT is a vaccine indicated for immunization against influenza disease caused by influenza A and B strains contained in the vaccine. FLUBLOK® QUADRIVALENT is given to people 18 years of age and older.

What is fluarix quadrivalent?

FLUARIX QUADRIVALENT is a vaccine indicated for active immunization for the prevention of disease caused by influenza A subtype viruses and type B viruses contained in the vaccine. FLUARIX QUADRIVALENT is approved for use in persons aged 6 months and older.

Is the quadrivalent flu shot safe?

Are quadrivalent flu vaccines safe? Yes. Flu vaccines that protect against four flu viruses have a safety profile similar to seasonal flu vaccines made to protect against three viruses, with similar—mostly mild—side effects.

Who should get the quadrivalent flu vaccine?

The high-dose quadrivalent vaccine (Fluzone) is designed specifically for people ages 65 and older. Flu-related complications increase with age because older individuals have a weaker immune system. Fluzone contains four times the amount of flu virus antigen as a standard-dose shot.

Are there different flu shots for seniors?

For 2020-2021, there are three influenza vaccines that are specifically approved for people aged 65 and older: Fluzone High-Dose Quadrivalent: This vaccine contains four times the amount of antigen, compared to Fluzone standard-dose. It is approved for adults age 65+.

Are there different types of flu shots for seniors?

If You’re Age 65 and Older The choices include the regular flu shot (standard dose of the trivalent), the high-dose flu shot (double dose of trivalent), the quadrivalent flu shot (a new four-strain version) and the egg-free shot called Flucelvax.

Who should get the quadrivalent flu shot?

Is quadrivalent better than trivalent?

Overall, they found that even though the quadrivalent vaccine provided better protection against the B lineage during four influenza seasons from 2013-2014 to 2016-2017, it did not protect better than the trivalent vaccine against outpatient medical visits for any influenza B illness.

What are the side effects of the senior flu shot?

High Dose and Adjuvanted Flu Vaccine Side Effects Side effects can include pain, redness or swelling at the injection site, headache, muscle ache and malaise, and typically resolve with 1 to 3 days.

How long is 2020 flu shot?

The flu shot offers protection against the flu for about 6 months. A person should get a flu shot every year, and the best time to get one is the end of October.