Rady Children's Hospital in San Diego administers the first vaccines to children between the ages of 5 and 11 years old after Pfizer's COVID-19 vaccine was approved for use in children by the U.S. CDC. (KFMB-TV) COVID-19 pandemic in CaliforniaCOVID-19 pandemic in the United States, COVID-19 vaccination in the United StatesCOVID-19 pandemic link embed save