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Pfizer says the third dose of its vaccine is needed

The American company Pfizer, which together with its German partner BioNTech has developed a vaccine against Comirnaty coronavirus, intends to inform the US authorities in the nearest future about the necessity of the third (booster) dose of this medicine. The Washington Post newspaper wrote about it on Saturday with reference to its sources.

According to the newspaper, a briefing could take place on Monday. The meeting is expected to be attended by Anthony Fauci, director of the US National Institute of Allergy and Infectious Diseases, Francis Collins, head of the US National Institutes of Health, Rochelle Walenski, head of the US Centers for Disease Control and Prevention (CDC) and Janet Woodcock, acting director of the US Food and Drug Administration (FDA).

On Thursday, Pfizer and BioNTech announced their intention to submit data to the FDA and the European Medicines Agency (EMA) in the coming weeks on trials of the drug's booster dose application. As noted in the announcement, “Initial study results show that the booster dose administered six months after the second dose has a robust tolerability profile, inducing high antibody titers that are 5-10 times higher than after the two primary injections.”

As Pfizer and BioNTech informed Reuters shortly after the press release was issued, the FDA and the CDC said in a joint statement that they believe that Americans who have been vaccinated against the coronavirus do not currently need a third dose of the drug. “We will be prepared for booster doses if and when the science demonstrates that this is necessary,” they noted.

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