Peer-reviewed study comes as some governments debate whether to delay second vaccine doses
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Deputy chief medical officer Jonathan Van Tam said it’s possible that a differentiated-dosing regimen could provide even greater protection
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Pfizer's vaccine can treat UK and South African Covid-19 variants without significantly compromising efficacy, it said
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Days before Pzifer-BioNTech's vaccine breakthrough, funds posted net outflows of £389m, reversed in the days after with equity funds pulling in £1.4bn in new money
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