San Elizario ISD to hold COVID-19 vaccination clinic on Thursday

An eight-year-old child receives a second dose of the Pfizer COVID-19 vaccine at Northwest Community Church in Chicago, Saturday, Dec. 11, 2021. Pfizer is adding an extra dose of its COVID-19 vaccine for babies and preschoolers enrolled in a study of the shots. Pfizer and its partner BioNTech announced, Friday, Dec. 17, they were adding a third dose to the study after a preliminary analysis found 2- to 4-year-olds didn't have as strong an immune response as expected. (AP Photo/Nam Y. Huh)