epa08883887 Stephanie Cal (L), a nurse at Long Island Jewish Medical Center, is inoculated with the COVID-19 vaccine by Dr. Michelle Chester (R) in the Queens borough of New York, New York, USA, 14 December 2020. The rollout of the Pfizer and BioNTech vaccine, the first to be approved by the Food and Drug Administration, ushers in the biggest vaccination effort in US history.  EPA/JUSTIN LANE