One is the Fluzone High-Dose Quadrivalent, which contains 4 times the antigen — the part of the vaccine that helps your body build up protection against influenza. The other choice is a flu vaccine with an adjuvant, an ingredient that helps create a stronger immune response, per the CDC.27 Oct 2020
What is the latest flu vaccine called?
Flucelvax Quadrivalent is now approved for people 6 months and older. More information on approved flu vaccines for the 2020-2021 flu season, and age indications for each vaccine are available in CDC's Table: U.S. Influenza Vaccine Products for the 2020-2021 Season.
What is the difference between the regular flu shot and the senior flu shot?
Some older adults may have weaker immune systems, which can lead them to be less protected after a regular flu vaccine. 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.
Is the quadrivalent flu shot better?
An earlier trivalent version was licensed in 2013 but was later replaced by the quadrivalent version. A new CDC study showed that flu shots made using recombinant technology produced a better antibody response among health care personnel compared with both cell-based and traditional flu shots.
Is fluzone or fluad better?
Studies published in the Journal of Infectious Diseases conducted during the 2017-2018 and 2018-2019 flu seasons among Medicare beneficiaries aged 65 years and older found that Fluzone High-Dose and FLUAD (a standard dose egg-based vaccine with MF 59 adjuvant approved for people 65 years and older) provided greater
What type of vaccine is the flu vaccine?
All flu vaccines in the United States are “quadrivalent” vaccines, which means they protect against four different flu viruses: an influenza A(H1N1) virus, an influenza A(H3N2) virus, and two influenza B viruses.18 Nov 2021
Is the flu vaccine a synthetic vaccine?
There is a third production technology for flu vaccines that was approved for use in the U.S. market in 2013 and that involves using recombinant technology . Recombinant flu vaccines do not require having a candidate vaccine virus (CVV) sample to produce. Instead, recombinant vaccines are created synthetically.
Is the flu vaccine a recombinant vaccine?
Recombinant influenza (flu) vaccines are produced using recombinant technology. This method does not require an egg-grown vaccine virus and does not use chicken eggs in the production process. Recombinant flu vaccine was first licensed by the FDA in the United States in 2013.