A doctor inoculates Herri Rehfeld, 92, against the new coronavirus with the Pfizer/BioNTech vaccine at the vaccination center at the Messe Berlin trade fair grounds on the center’s opening day in Berlin, Germany, Monday, Jan. 18, 2021. The center is the third to open in Berlin. Three more are to open in coming weeks once shipments of the Pfizer/BioNTech and Moderna vaccines pick up pace. (Sean Gallup/Getty Images via AP, Pool)