Good Morning Britain 's Dr Hilary Jones explained the news that trials are underway to work out whether mixing different Covid vaccines can boost your immunity to the virus.
The new government-backed trial comes as more than 10million people have been given their first dose of the vaccine in the UK so far.
Host Ben Shephard said: "Interesting that the government are putting some research into whether we can mix and match vaccines, whether a vaccine from AstraZeneca can be mixed with a vaccine from Pfizer. "We are not going to get the results until the autumn, but what are the implications of this?" Dr Hilary replied: "So we are doing really well with the vaccination programme so far, 10million people vaccinated, 15% of the adult
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