Pfizer Study Tests Extra COVID Vaccine Dose For Kids Under 5
(AP) -- Pfizer is testing an extra dose of its COVID-19 vaccine for babies and preschoolers enrolled in a study of the shots. Pfizer had been testing two very low-dose shots in chi…
(AP) -- Pfizer is testing an extra dose of its COVID-19 vaccine for babies and preschoolers enrolled in a study of the shots. Pfizer had been testing two very low-dose shots in chi…