Margaret Keenan, a 90-year-old grandmother from Northern Ireland, became the first person in the world on Tuesday to receive the Pfizer COVID-19 vaccine shot outside of a trial as Britain began vaccinating its population.
Bryan Wood reports.
Mexico vaccination rollout: Intensive care nurse first to receive shot
Al Jazeera STUDIO
Mexico, Chile and Costa Rica begin mass immunisation campaigns as Argentina receives first vaccines from Russia.
