The UK will focus on inoculating its entire adult population before sharing Covid-19 vaccine doses with other countries, Business Minister Kwasi Kwarteng said on Tuesday.
More than 30 million people in Britain have received their first dose of a Covid-19 vaccine in the fastest inoculation campaign in Europe.
The government is aiming to offer it to all adults by the end of July.
However, Britain is involved in a public spat with the EU, whose vaccination programme has been much slower.
The EU threatened to block exports of doses made on the continent based on rates of inoculation in the destination country.
The UK government on Monday announced 60 million doses of the Novavax Covid-19 vaccine would be manufactured in north-east England.
But Mr Kwarteng said the country would focus on its own population before exporting doses.
"I think our focus has to be to try to keep Britain safe. We want to work co-operatively as well with other countries but the main priority is to get the vaccine roll-out," he told Sky News.
He denied that there was a competition with other countries, insisting the UK was working with Europeans to try to ensure their populations were vaccinated.
Asked if Britain could help its neighbour Ireland, Mr Kwarteng said any surplus vaccines could be shared. "But there is no surplus at the moment," he said. "We've still got a huge number to vaccinate."
UK Prime Minister Boris Johnson is one of 23 leaders who on Tuesday backed an idea to create an international treaty to help the world to work together during health emergencies.
The group said the Covid-19 crisis exposed the world’s “weaknesses and divisions”, warning that another pandemic was a matter of “not if, but when”.
Mr Kwarteng stressed that the intention was to create a pact to deal with future pandemics – not the current one.
"Today, we've got a crisis upon us, and it's absolutely right that we should be focused on trying to deal with that in our own country and keeping our people safe, so that we can get back to a normal way of life," he said.
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Coffee: black death or elixir of life?
It is among the greatest health debates of our time; splashed across newspapers with contradicting headlines - is coffee good for you or not?
Depending on what you read, it is either a cancer-causing, sleep-depriving, stomach ulcer-inducing black death or the secret to long life, cutting the chance of stroke, diabetes and cancer.
The latest research - a study of 8,412 people across the UK who each underwent an MRI heart scan - is intended to put to bed (caffeine allowing) conflicting reports of the pros and cons of consumption.
The study, funded by the British Heart Foundation, contradicted previous findings that it stiffens arteries, putting pressure on the heart and increasing the likelihood of a heart attack or stroke, leading to warnings to cut down.
Numerous studies have recognised the benefits of coffee in cutting oral and esophageal cancer, the risk of a stroke and cirrhosis of the liver.
The benefits are often linked to biologically active compounds including caffeine, flavonoids, lignans, and other polyphenols, which benefit the body. These and othetr coffee compounds regulate genes involved in DNA repair, have anti-inflammatory properties and are associated with lower risk of insulin resistance, which is linked to type-2 diabetes.
But as doctors warn, too much of anything is inadvisable. The British Heart Foundation found the heaviest coffee drinkers in the study were most likely to be men who smoked and drank alcohol regularly.
Excessive amounts of coffee also unsettle the stomach causing or contributing to stomach ulcers. It also stains the teeth over time, hampers absorption of minerals and vitamins like zinc and iron.
It also raises blood pressure, which is largely problematic for people with existing conditions.
So the heaviest drinkers of the black stuff - some in the study had up to 25 cups per day - may want to rein it in.
Rory Reynolds
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