Half of all UK adults may have received their first Covid vaccine by the end of this week as the rollout continues across the country.
Over 24 million Brits have already had the jab as the UK continues to push forwards with the vaccine programme.
That's just two million short of half of all over-18s in the UK.
If a rate of 280,000 per day continues, then the UK should be able to move to vaccinating under 50s by March 29.
A whopping 770,000 Covid vaccines were administered over the last weekend alone.
Jab supplies are expected to get a boost this week, as The Sun reports. Around four million doses of the vaccine will likely become available.
NHS England already previously wrote to vaccine providers telling them to make sure they have the staff they need in place.
“From the week of March 15 we are now asking systems to plan and support all vaccination centres and local vaccination services to deliver around twice the level of vaccine available in the week of March 1," their letter read.
Professor Anthony Harnden, deputy head of the Joint Committee on Vaccination and Immunisation said on BBC Breakfast that the vaccine rollout has been "tremendously successful".
“In primary care, we’re still vaccinating cohort six — all with underlying illness — and some of seven," Mr Harnden said.
“But, throughout the country, we’re going down to cohort nine.
“Most people over the age of 50 will be vaccinated really within the next few weeks so it is tremendously successful.”
This news comes after a number of countries have suspended the use of the Oxford/AstraZeneca vaccine over concerns about possible side-effects.
The Netherlands, Denmark, Norway, Bulgaria, Iceland and Thailand have all temporarily suspended their use of the vaccine to investigate reports of blood clots in people who have had the jab.
But the head of the Oxford University vaccine group, Professor Andrew Pollard, has said that while it was right that regulators investigated reports of blood clots links, data from millions of people was "very reassuring" that there was no link.
Last week, the World Health Organisation (WHO), the European Medicines Agency (EMA) and the UK's Medicines and Healthcare products Regulatory Agency (MHRA) said there was no evidence of a link between the jab and an increased risk of blood clots.
Prof Pollard said "safety is clearly absolutely paramount" but that about 3,000 cases of blood clots occur every month in the UK from other causes.
"So, when you then put a vaccination campaign on top of that, clearly those blood clots still happen and you've got to then try and separate out whether, when they occur, they are at all related to the vaccine or not," he told BBC Radio 4's Today programme.
Prof Pollard said that more than 11 million doses have now been given in the UK, and the MHRA has said "very clearly that they're not seeing any increase in the number of cases of blood clots" over what they would see normally.
"I think at this moment we've got the most data from the UK, which looks very reassuring, but of course it's absolutely right that there's careful monitoring of safety and this gets looked into," he said.
The professor pointed to the "huge risks" from Covid-19 for those who are unvaccinated, adding that "if we have no vaccination and we come out of lockdown in this country, we will expect tens of thousands of more deaths to occur during this year".
He continued: "A number of countries around Europe are now seeing an increase in cases again.
"Italy and France and Germany and Poland - all have the start of a new surge in cases.
"It's absolutely critical that we don't have a problem of not vaccinating people and have the balance of a huge risk - a known risk of Covid - against what appears so far from the data that we've got from the regulators - no signal of a problem."
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