Pfizer and partner BioNTech asked U.S. health regulators to authorize three doses of their vaccine for children under 5 years.
Pfizer Inc. and partner BioNTech SE asked U.S. health regulators to authorize three doses of their vaccine for children under 5 years.
The Pfizer PFE, -1.26% -BioNTech BNTX, -1.14% vaccine was also found to be safe and well-tolerated among the children in studies, according to the companies.
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