FILE PHOTO: A nurse prepares a dose of the Oxford/AstraZeneca COVID-19 vaccine at a NHS mass coronavirus vaccination centre at Epsom Race Course in Epsom, Surrey, Britain January 11, 2021. Dominic Lipinski/Pool via REUTERS
FILE PHOTO: A nurse prepares a dose of the Oxford/AstraZeneca COVID-19 vaccine at a NHS mass coronavirus vaccination centre at Epsom Race Course in Epsom, Surrey, Britain January 11, 2021. Dominic Lipinski/Pool via REUTERS