Is the quadrivalent flu shot better?

The higher dose of antigen in the vaccine is intended to give people 65 years and older a better immune response to vaccination, and therefore, better protection against flu. Both Fluzone High-Dose and Fluzone Quadrivalent (standard dose) are produced by the same manufacturer and are quadrivalent vaccines.

What is the difference between 3 and 4 strain flu vaccine?

4-strain flu vaccines are made in the same way 3-strain flu vaccines have been made for many years, the only difference is the addition of one more strain to help protect against another flu virus.

How long does the quadrivalent flu shot last?

The flu shot offers protection against the flu for at least 6 months. Healthcare professionals usually vaccinate most people in October, when flu activity typically begins to increase, so their immunity will last until the following April.

Does Fluzone quadrivalent have preservatives?

Fluzone Quadrivalent vaccine contains 4 killed flu virus strains. Inactive ingredients include formaldehyde and octylphenol ethoxylate. The preservative thimerosal is only in the multi-dose vial of Fluzone Quadrivalent vaccine.

What is the difference between regular flu shot and senior flu shot?

In response to a regular flu shot, older people produce 50% to 75% fewer antibodies, which protect against the vaccine antigens, than do younger adults. Studies have found higher antibody levels in older adults who received high-dose flu vaccines than in those who received standard-dose flu vaccines.

How long does the flu shot last 2020?

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.

What is the difference between the regular flu shot and the senior flu shot?

What flu shot should seniors get?

Influenza vaccines are a safe and effective way to help people stay healthy, prevent illness and even save lives. As people age, they may be at higher risk of complications from influenza. For this reason, seniors age 65 years and older are advised to get an inactivated influenza vaccine or flu shot each year.

What are the 2 types of flu shot?

Two types of influenza vaccine are widely available: inactivated influenza vaccines (IIV) and live attenuated influenza vaccines (LAIV). Traditionally, influenza vaccines (both IIV and LAIV) have been produced to protect against 3 different seasonal influenza viruses (also called trivalent vaccines).

What is the 4 in 1 flu vaccine?

What is quadrivalent flu vaccine? A quadrivalent influenza (flu) vaccine is designed to protect against four different flu viruses, including two influenza A viruses and two influenza B viruses. Learn more about the vaccine composition for the current flu season vaccines.