The Food and Drug Administration and the Centers for Disease Control must approve the request.
WASHINGTON — Drugmaker Pfizer is expected to request authorization this week for an additional COVID-19 booster dose for seniors, according to a person familiar with the matter.
“We’re continuing to collect and assess all available data and we’re in continuous, open dialogue with regulators and health authorities to help inform a COVID-19 vaccine strategy as the virus evolves,” said Pfizer spokeswoman Jerica Pitts. The U.S. booster campaign was based on evidence that the shots’ effectiveness, especially against milder infections, was waning about six months after the last dose. Calls for a third shot grew once it became clear the vaccines weren’t as strong against the omicron mutant as they were against earlier versions of the virus.
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