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Oxford vaccine reduces transmission of coronavirus study suggests

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A single dose of the Oxford vaccine may reduce transmission of coronavirus by two thirds, according to a new study which provides a major boost to the UK’s recommendation that the second jab should be delayed for up to 12 weeks. Researchers said that the first dose of the Oxford/AstraZeneca jab offers protection of 76% up to three months and may reduce transmission by 67% – with efficacy rising to 82.4% after the second dose 12 weeks later..