Massachusetts high schools offering COVID-19 vaccine to students © WCVB at one massachusetts high school, just under 100 students signed up to receive a dose of the vaccine, with their parents' permission. The U.S. Food and Drug Administration is expected to amend its emergency use authorization for Pfizer's COVID-19 vaccine to allow it to be given to people ages 12 or above after clinical trial results "demonstrated 100% efficacy and robust antibody responses." At North Quincy High School, students 16 and up had the chance to get the Pfizer vaccine on Wednesday. Just under 100 students ...