London: Britain said on Wednesday more than 25 million people had now received a first COVID-19 vaccination, 100 days after the first person in the country received a shot.The government said it meant almost half the adult population had received a vaccination dose, putting it on track to have offered all those over 50 a shot by the target date of April 15."This latest milestone is an incredible achievement - representing 25 million reasons to be confident for the future as we cautiously reopen society," Prime Minister Boris Johnson said in a statement.Britain's vaccine rollout began on Dec.
8 when Margaret Keenan, a 90-year-old grandmother, became the first person in the world to receive the Pfizer COVID-19 vaccine outside of a trial.Since.