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Here's When You'll Need Your Third COVID Vaccine Shot

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Pfizer: Annual Covid-19 booster shots may become new normal

Asked whether individuals might be able to get a COVID-19 booster and flu shot at the same time down the road, Eisenberg said it's possible but not yet clear.

When the first COVID-19 vaccines from Pfizer-BioNTech and Moderna were authorized by the U.S. Food and Drug Administration in December 2020, most people breathed a sigh of relief since both shots were shown to be between 94% and 95% effective in protecting from COVID-19 symptoms.

That could change as new variants emerge because the coronavirus, like all viruses, will continue to mutate, experts have said. "But it's hard to say with this initial vaccine".

The United States has administered 205,871,913 doses of COVID-19 vaccines in the country as of Saturday morning and distributed 264,499,715 doses, the U.S. Centers for Disease Control and Prevention said on Saturday.

A top Moderna executive said the United States is in a good position to move into booster shots because of its vaccine rollout, whereas many other nations are still getting first vaccinations. Some early studies suggest that they are.

The CEO of Pfizer said there is a "likely scenario" where people who have had two Pfizer COVID-19 vaccine doses will need a third jab soon into the future.

The Pfizer vaccine, developed by the US-based company in partnership with German firm BioNTech, now plays a leading role in American and European vaccination campaigns.

But only continued studies involving people in the early trials, who are supposed to be followed for up to two years, will answer the question of how long people can expect the vaccine protection to last.

To date, MI has administered more than 5.6 million doses of the three available vaccines (Pfizer, Moderna, and Johnson & Johnson).

"It is likely that the countries that have already achieved high vaccine coverage are going to be ready to shift their focus to boosters in 2022 and possibly even starting at the end of this year", Corinne M. Le Goff, PharmD, Moderna's chief commercial officer, said during a call with investors, Business Insider reported. So in March, scientists began testing a dose of this vaccine as a third dose given after two doses of the original shot. But the concern is that in some cases, they are occurring in people infected by more contagious virus variants.

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