A UK grandmother has become the primary person within the world to tend the Pfizer Covid-19 jab as a part of a mass vaccination programme.

Margaret Keenan, who turns 91 next week, said the injection she received at 06:31 GMT was the “best early birthday present”.

It was the primary of 800,000 doses of the Pfizer/BioNTech vaccine which will be dispensed within the coming weeks.

Up to four million more are expected by the top of the month.

Hubs within the UK are starting the rollout by vaccinating the over-80s and a few health and care staff.

Senior NHS sources told the BBC “thousands of vaccinations” had taken place across the united kingdom on Tuesday.

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Dubbing the day “V-day”, Health Secretary Matt Hancock said it had been “a tribute to scientific endeavour and human ingenuity and to the diligence of numerous people.

“Today marks the beginning of the fightback against our common enemy, the coronavirus,” he said.

Prime Minister Boris Johnson, on a visit to a London hospital to ascertain a number of the primary people getting the jab, said getting vaccinated was “good for you and good for the entire country”.