Meet 90-year-old UK woman, first to get Pfizer vaccine shot in the world

Margaret Keenan, a 90-year-old grandmother, on Tuesday became the first person in the world to receive the Pfizer Covid-19 vaccine shot outside of a trial as Britain began vaccinating its population. Keenan received the vaccine at her local hospital in Coventry, central England, on Tuesday morning at 0631 GMT, a week before she turns 91.