The Food and Drug Administration and the Centers for Disease Control would have to approve the request.
FILE - Prepared Pfizer COVID-19 vaccine syringes wait for patients at a middle school in Wheeling, Ill., June 11, 2021. Drugmaker Pfizer is expected to request authorization this week for an additional COVID-19 booster dose for seniors. That, according to a person familiar with the matter, who spoke on condition of anonymity. – Pfizer and its partner BioNTech asked U.S.
While authorities say the vaccinations continue to offer strong protection against severe illness, they haven't held up as well against milder infections especially those due to the omicron mutant.
Many scientists say the ultimate goal of vaccination is to prevent severe illness, not mild infections, and early CDC data show the shots still are doing a good job at that. During the omicron wave, effectiveness against hospitalization was 91% in people who had gotten their booster two months earlier, and 78% by the fourth month after that booster.Pfizer based its new application on data from Israel, which already was offering a second booster to people age 60 and older and health care workers.
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