February 2, 2021Pfizer swings to small profit as vaccines begin to roll out . by Linda A. Johnson In this Jan. 22, 2021, file photo, Tina Killebrew, a certified medical assistant, prepares doses of the Pfizer-BioNTech COVID-19 vaccine at a vaccination center at the University of Nevada, Las Vegas in Las Vegas. A racial gap has opened up in the nation's COVID-19 vaccination drive, with Black Americans in many places lagging behind whites in receiving shots, an Associated Pre...