Pfizer: The booster dose against corona shows high efficacy against the...


Data published by Pfizer-BioNTech Thursday, October 21, showed that giving a booster dose of the vaccine developed by the American company Pfizer and its German partner BioNTech to prevent the Corona virus returned the effectiveness of the vaccine by 95.6% against the virus that causes the disease, including the mutated Delta strain of it.

The two companies said that the trial, which has not been reviewed by other companies, was conducted on 10,000 participants aged 16 and over and concluded that the booster dose was safe.

The results of the experiment came after the US Food and Drug Administration’s permission to use booster doses of Corona vaccines produced by Moderna and Johnson & Johnson, and its saying that Americans should choose a different dose from the vaccine with which they were originally vaccinated as a booster dose.

The FDA has authorized the use of booster doses of the Pfizer-BioNTech vaccine at least six months after the first dose, to increase protection for elderly people aged 65 years and over, those at risk of serious illness and those exposed to the virus on the job.





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