FILE PHOTO: First of two injections of the Pfizer-BioNTech COVID-19 vaccine is drawn into a syringe at the Hurley Clinic in London, Britain December 14, 2020. Aaron Chown/PA Wire/Pool via REUTERS
FILE PHOTO: First of two injections of the Pfizer-BioNTech COVID-19 vaccine is drawn into a syringe at the Hurley Clinic in London, Britain December 14, 2020. Aaron Chown/PA Wire/Pool via REUTERS