Quick Answer: Are There 2 Different Flu Shots This Year?

How long is flu shot effective 2020?

The flu shot offers protection against the flu for at least 6 months.

Healthcare professionals usually vaccinate most people in October, when flu activity typically begins to increase, so their immunity will last until the following April..

How accurate is flu shot this year?

The Truth About the Flu Shot According to the CDC’s estimates for the 2018-19 season, vaccinating only half of all Americans prevented 4.4 million cases of the flu, 58,000 hospitalizations, and 3,500 deaths. That was in a year that the vaccine was only 29% effective.

What are the negatives of getting a flu shot?

Some possible downsides to flu shots include:only about 40–60% of flu shots are effective in preventing the flu each year.they can take up to 2 weeks to start working.sometimes, they cause mild side effects, such as pain, redness, and swelling at the injection site.More items…•

Why can’t adults have nasal flu vaccine?

In addition to the previously listed adults who should not receive the flu shot, adults should NOT get the nasal spray influenza vaccine if they: Are pregnant. Are ages 50 or older. Have a weakened immune system due to disease or certain medical treatments.

Are nasal flu vaccines safe?

The nasal spray flu vaccine was found to be an effective vaccination option before 2009, when the H1N1, or swine flu, outbreak occurred. After the outbreak, studies showed that the nasal spray vaccine was not as effective against H1N1. The CDC stopped recommending it from 2016 to 2018.

What is the best month to get a flu shot?

It takes about two weeks for the flu shot to protect you. Ideally, the best time to get the shot is in early September and no later than late October. If you don’t get it early, getting a flu shot later still helps. Vaccination earlier may cause protection to weaken by end of the season.

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 flu vaccines.

What is the best flu shot 2020?

Flu Vaccine Options in 2020 The most commonly available flu vaccine, and the one recommended for most people, is called the quadrivalent flu vaccine. That “quad” in the name refers to the four flu virus strains the vaccine is designed to control: two influenza A viruses, and two influenza B viruses.

Is there a nasal flu vaccine this year 2020?

All nasal spray influenza (flu) vaccines for the 2020-2021 season are quadrivalent, meaning they will be made using four flu viruses: an influenza A(H1N1) virus, an influenza A(H3N2) virus and two influenza B viruses. Learn more about the vaccine composition of the 2020-2021 flu season vaccines.

Is the nasal spray as effective as the flu shot?

Studies show that both the flu shot and nasal spray work. For adults, doctors found that the nasal spray works just as well as the flu shot. In 2009, they found that the nasal spray worked better in children. But later studies didn’t show that it was any more effective than the shot.

Are there different flu shots for 2020?

For the 2020-2021 flu season, providers may choose to administer any licensed, age-appropriate flu vaccine (IIV, RIV4, or LAIV4) with no preference for any one vaccine over another. Vaccine options this season include: Standard dose flu shots. High-dose shots for people 65 years and older.

How effective is the flu shot for 2020?

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%.

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).

What are the 2 types 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).

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.