Are there different grades of flu shots?

What is the difference between the regular flu shot and the 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.

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

Previously, flu vaccines helped to protect against three flu virus strains, out of four that typically circulate. 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.

What are the 2 kinds of flu shots?

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).


Are there different flu vaccines for different ages?

There are different types of flu shots, and some are specific for certain age groups. If you’re a senior and considering getting a flu shot this season, chances are your doctor will recommend a flu shot designed specifically for people ages 65 and older, such as a high-dose vaccine or adjuvanted flu vaccine.

What are the side effects of the senior flu shot?

High Dose and Adjuvanted Flu Vaccine Side Effects

Side effects can include pain, redness or swelling at the injection site, headache, muscle ache and malaise, and typically resolve with 1 to 3 days.

When should a senior citizen get a flu shot?

The CDC recommends that everyone six months and older who isn’t contraindicated get an annual flu vaccination by the end of October when influenza activity typically begins increasing. For people over 65, getting the shot each year in September or October is especially important.

Is the quadrivalent flu shot better?

This form offers the same benefits as the trivalent vaccine, with the added bonus of covering both B-strains, so four strains total. Experts see this as beneficial since both B-strains have been detected within the United States in the past 10 years.

What strains are in the 2020 2021 flu vaccine?

The committee recommended that the quadrivalent formulation of egg-based influenza vaccines for the U.S. 2021-2022 influenza season contain the following: an A/Victoria/2570/2019 (H1N1) pdm09-like virus; an A/Cambodia/e0826360/2020 (H3N2)-like virus; a B/Washington/02/2019- like virus (B/Victoria lineage);

How long does the flu shot last?

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.

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What is the best month to get a flu shot?

September and October are generally good times to be vaccinated against flu. Ideally, everyone should be vaccinated by the end of October.