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Here s How Moderna and Pfizer Are Testing COVID-19 Vaccines in Babies and Young Children PopSugar 4/29/2021 Kate Schweitzer © Getty / Geber86 Here s How Moderna and Pfizer Are Testing COVID-19 Vaccines in Babies and Young Children What Do the COVID Vaccine Dosing Trial Phases Look Like? Both drug companies are following a similar dosing trial structure with the goal of allowing researchers to determine how much vaccine children can tolerate and if it will still adequately protect them at that dosage. For Moderna s clinical trial, which was expected to enroll 6,750 healthy children in the United States and Canada, each infant and child receives two shots, 28 days apart. Unlike in adult studies, this trial will be completed in two phases. In the first part, children between 2 years and 12 years will receive two doses of 50 or 100 micrograms each. Infants and children under two years old will receive two shots of 25, 50, or 100 micrograms.

New yorkUnited statesDavid wohlGetty geberSteve plimptonAnthony fauciAmerican academy of pediatricsNew york timesUniversity of north carolinaUs national institute of allergyHow modernaPfizer are testingYoung childrenAmerican academyDosing trial phases lookWill results come from