Britain marks one year since giving first Pfizer COVID-19 shot
Margaret Keenan, 90, is the first patient in Britain to receive the Pfizer/BioNtech COVID-19 vaccine at University Hospital, administered by nurse May Parsons, at the start of the largest ever immunization program in British history, in Coventry. Britain is the first country in the world to start vaccinating people with the Pfizer/BioNTech vaccine