Move could clear way for two-dose regimens to begin as soon as end of February, while companies await data on three-dose course
US regulators are urging Pfizer to apply for emergency authorization for a two-dose regimen of its Covid-19 vaccine for children six months to five years old, according to sources.
The move could clear the way for the shots as soon as the end of February, while the companies await data on a three-dose course.
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