Vaccination drive enters new phase in US and Britain

  • Chief nurse nurse Sam Foster holds a vial of the Oxford University/AstraZeneca COVID-19 vaccine, at the Churchill Hospital in Oxford, England, Monday, Jan. 4, 2021. England’s National Health Service says a retired maintenance manager has received the first injection of the new vaccine developed by between Oxford University and drug giant AstraZeneca. Dialysis patient Brian Pinker became the very first person to be vaccinated by the chief nurse at Oxford University Hospital. (Steve Parsons/Pool Photo via AP)

The first Americans inoculated against COVID-19 began rolling up their sleeves for their second and final dose Monday, while Britain introduced another vaccine on the same day it imposed a new nationwide lockdown against the rapidly surging virus.