Pfizer and its partner BioNTech asked U.S. regulators Tuesday to authorize an additional booster dose of their COVID-19 vaccine for seniors, saying data from Israel suggests older adults would benefit.
Currently the U.S. urges two primary shots followed months later by a booster dose for everyone age 12 and older. The new application seeks to add a fourth shot only for the over-65 population that has been hit hardest by the pandemic.
The Food and Drug Administration and the Centers for Disease Control would have to approve the request. If so, a key question would be how soon seniors would be advised to roll up their sleeves.
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