The number of people to had the first dose of a COVID vaccine is nearing 25 million as the UK reported. The government said putting it on track to have offered all those over 50 a shot by the target date of April 15. people had been given both doses of the Pfizer or AstraZeneca vaccine. Britain’s vaccine rolloed out began from Dec. 8 when Margaret Keenan, a 90-year-old grandmother, who became the first person in the world to receive the Pfizer Covid-19 vaccine outside of a trial.