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The UK’s Vaccine Taskforce chair has cautioned against over-optimism that a Covid-19 vaccine will be found. It comes as PM Boris Johnson says it’s an “exaggeration” that a vaccine is 100 percent likely this year or next.
Following the announcement on Monday that the government has secured early access to 90 million doses of “promising vaccine candidates,” chair Kate Bingham sought to temper the enthusiasm of those who may have thought a breakthrough was imminent. She told Sky News: “We have to be very cautious, because there has never been a vaccine against a coronavirus and there may never be one.”
Hopes of ending the Covid-19 pandemic with a vaccine grew today after promising data revealed Oxford University's experimental jab is safe and provokes an immune reaction that lasts for at least two months.
Hugely-anticipated clinical trial results of the vaccine — one of the front-runners in the world's race for a jab — revealed more than 91 per cent of volunteers injected produced an immune response against the coronavirus that lasted a month or more.
Immune responses remained strong for at least 56 days, according to results in The Lancet. But it won't be licensed for human use yet because it has not been proven to work and the results only show it has promise.
Just a few days earlier
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