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Pfizer starts clinical trial testing COVID-19 vaccine on kids
Pfizer starting to test vaccine on children
Pfizer advances clinical trial of COVID vaccine on kids 5-11 l GMA
First in the US, Duke begins Pfizer COVID-19 vaccine clinical trial for children under 12
Large study to test COVID vaccine in kids, Pfizer says
Pfizer looks to test COVID vaccine on young children
Pfizer Begins Their Covid Vaccine Trial In Children Under 12 | NBC Nightly News
Pfizer administers Covid vaccine doses to children under age 12 in trial
Pfizer Begins Low-Dose COVID-19 Vaccine Trials In Young Children
Pfizer testing its vaccine on children under age 12
Pfizer Expands COVID-19 Vaccine Testing To Kids Under 12
Pfizer tests lower vaccine doses in trials for children
