Why Are There Two Flu Vaccines This Year?

Is it too late to get a flu shot 2020?

Flu season usually peaks between December and February, and while experts recommend getting a flu shot early, they also say it’s never too late to get vaccinated.

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Why are there two different flu vaccines this year?

These flu vaccines are slightly different because they protect against four different strains of the flu virus (two influenza A viruses and two influenza B viruses). Because of this, these vaccinations can provide broader protection from infection.

What is the difference between the two flu shots?

There are two different flu shots available. One is considered a “normal” dose, which doctors recommend for anyone older than six months. This would be the right option for kids, teens and middle-aged adults. The other shot is just a higher dose of the same vaccine.

Are all flu shots the same 2020?

Are all influenza vaccines the same? All influenza vaccines contain antigen derived from the same influenza viruses, with the one difference being that trivalent vaccines have 3 different antigens and quadrivalent vaccines have four different antigens (the same three that are in the trivalent vaccines, plus one more).

When should I get flu shot 2020?

CDC recommends that people get a flu vaccine by the end of October. However, getting vaccinated early (for example, in July or August) is likely to be associated with reduced protection against flu infection later in the flu season, particularly among older adults.

What 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);More items…•

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

The high dose vaccine (brand name Fluzone High-Dose) contains four times the amount of antigen (the inactivated virus that promotes a protective immune response) as a regular flu shot. It is associated with a stronger immune response following vaccination (higher antibody production).

Are there 2 different flu shots this year?

For 2020-2021, all flu vaccines except one are quadrivalent. The only trivalent flu vaccine available this year is Fluad, an adjuvant vaccine for people aged 65+. (Confusingly, Fluad is available this year in both trivalent and quadrivalent forms.)

How long does the flu shot last 2020?

The effects of the vaccine generally only last through one flu season, which is about six months long. That’s part of the reason you need one every year. Starting two weeks after you get a flu shot, you should be protected from certain influenza viruses for the remainder of that flu season.

How effective is 2020 flu shot?

CDC’s influenza vaccination coverage reports show that overall flu vaccination coverage (among people 6 months and older) during 2019-2020 increased from the previous season to nearly 52%.

Can you get 2 flu shots?

In adults, studies have not shown a benefit from getting more than one dose of vaccine during the same influenza season, even among elderly persons with weakened immune systems. Except for children getting vaccinated for the first time, only one dose of flu vaccine is recommended each season.

What is Type 2 flu?

Type 2 of parainfluenza is the most common cause of croup (laryngotracheobronchitis). The symptoms of this include cough, fever, and respiratory distress. A serious cytopathic effect (CPE) caused by type 2 is the induction of synctia. SPEED. Parainfluenza viruses multiply slowly.