Which flu strains are in the 2020 vaccine?

The committee recommended that the quadrivalent formulation of egg-based influenza vaccines for the U.S. 2020-2021 influenza season contain the following:

  • an A/Guangdong-Maonan/SWL1536/2019 (H1N1) pdm09-like virus;
  • an A/HongKong/2671/2019 (H3N2)-like virus;
  • a B/Washington/02/2019- like virus (B/Victoria lineage);

What is the 2021 flu vaccine called?

What vaccines are available for the 2021-2022 flu seasons?

Vaccine name Age range
Flublok Quadrivalent (FDA package insert) 18 years or older
Flucelvax Quadrivalent (FDA package insert) 6 months or older
FluLaval Quadrivalent (FDA package insert) 6 months or older
FluMist Quadrivalent (FDA package insert) 2-49 years

Who makes the flu vaccine 2021?

Influenza Vaccine for the 2021-2022 Season

Manufacturer Total Number of Lots Released by FDA
FluLaval Quadrivalent ID Biomedical Corporation of Quebec 48
FluMist Quadrivalent MedImmune, LLC 6
Fluzone High Dose Quadrivalent Sanofi Pasteur, Inc 34
Fluzone Quadrivalent Sanofi Pasteur, Inc. 39

Which type of flu is worse?

Type A influenza is generally considered worse than type B influenza. This is because the symptoms are often more severe in type A influenza than in type B influenza. Type A influenza is more common than type B influenza. Researchers suggest that most adults have considerable immunity against type B influenza.

What are the 3 types of influenza?

There are three types of flu viruses: A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and running high fevers. Type C also causes flu; however, type C flu symptoms are much less severe.

What is the best flu shot?

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.

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.