AdvertisementCOVID Vaccine For Kids Ages 5 To 11 Is Safe And Effective, Pfizer SaysUpdated September 20, 2021Jaclyn DiazfacebookEmailA health worker administers a dose of a Pfizer COVID-19 vaccine during a vaccination clinic earlier this month at the Reading Area Community College in Reading, Pa. (AP)This article was originally published on September 20, 2021.