What Are The Two Types Of Flu Shots This Year?

Is the Flu A or B worse?

In the past, it was thought that infection with influenza A was more severe than infection with influenza B.

However, a 2015 study in adults with influenza A and influenza B found they both resulted in similar rates of illness and death..

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).

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 many different flu vaccines are there?

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).

Do you have to wait a full year between flu shots?

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 are the different flu vaccines for 2020?

For 2020-2021, cell- or recombinant-based vaccines are recommended to contain:A/Hawaii/70/2019 (H1N1)pdm09-like virus (updated)A/Hong Kong/45/2019 (H3N2)-like virus (updated)B/Washington/02/2019 (B/Victoria lineage)-like virus (updated)B/Phuket/3073/2013-like (Yamagata lineage) virus.

Which flu shot is best?

High-dose quadrivalent shot Antigen refers to the part of the vaccine that stimulates your immune system to respond and protect against the flu virus. A high-dose vaccine is recommended for older adults because up to 85 percent of flu-related deaths occur in people ages 65 and older.

Has the 2020 flu season peaked?

That being said, flu infections do tick up in the fall and peak in the winter, with February generally being the peak month for flu activity. According to CDC data for the 2019-2020 flu season, cases began to rise around the 47th week of the year — Nov. 18 — with steep increases starting mid-December.

How effective is the 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%.

Do Flu Shots Really Work?

What do recent vaccine effectiveness studies show? Recent studies show flu vaccine can reduce the risk of flu illness by between 40% and 60% among the overall population during seasons when most circulating flu viruses are well matched to the flu vaccine viruses.

Are there 2 types of flu vaccine this year?

Both trivalent (three-ingredient) and quadrivalent (four-ingredient) influenza vaccines will be available. Trivalent flu vaccines include: A trivalent flu shot made using an adjuvant (an ingredient that helps create a stronger immune response), approved for people 65 years of age and older.

What strains are in the flu shot 2020?

The 2020 seasonal influenza vaccines for the southern hemisphere include the following strains:an A/Brisbane/02/2018 (H1N1)pdm09-like virus.an A/South Australia/34/2019 (H3N2)-like virus.a B/Washington/02/2019-like (B/Victoria lineage) virus.a B/Phuket/3073/2013-like (B/Yamagata lineage) virus.

Is the flu vaccine available now 2020?

Deliveries of government-funded influenza vaccines commenced on 30 March 2020. To date over 3 million doses have been delivered to immunisation providers in NSW compared to 2.5 million doses for the whole of the 2019 flu season.

When should I get my flu shot this year?

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.

How long do flu shots last?

How long does immunity from influenza vaccine last? Protection from influenza vaccine is thought to persist for at least 6 months. Protection declines over time because of waning antibody levels and because of changes in circulating influenza viruses from year to year.