(Leah Hogsten | The Salt Lake Tribune) Parker Manning, 16, a student at Woods Cross High School, closes his eyes as he receives his first Pfizer vaccine from pharmacist Shannon Stoker at a pop-up clinic by Nomi Health, April 27, 2021. The U.S. Food and Drug Administration is expected to authorize Pfizer’s COVID-19 vaccine for young adults age 12 and older by next week.