Pfizer and Moderna vaccines should be safe for most Americans, but 5 groups may want to wait for more data before getting shots
Margaret Keenan was the first person to be given the Pfizer coronavirus vaccine outside clinical
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Pfizer’s coronavirus vaccine should be safe for most Americans, but 5 groups may want to wait for more data before getting shots
Margaret Keenan was the first person to be given the Pfizer coronavirus vaccine outside clinical