UK Covid: single AstraZeneca jab 'could cut transmission by 67%'; Captain Tom Moore dies – as it happened
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5.57pm GMT
Oxford University has released research showing that a single dose of the Oxford/AstraZeneca vaccine has an efficacy rate of 76% after 22 days until 90 days. That helps to justify the government's decision to delay giving the second dose until after 12 weeks.
VACCINE UPDATE: New study shows that the #OxfordVaccine offers protection of 76% up to 12 weeks after a single dose, with further data supporting a 4-12 week dosing interval: https://t.co/7aZAWgFqQH
Further analysis also shows that the #OxfordVaccine may have a substantial effect on coronavirus transmission, with 67% reduction in positive PCR swabs among those who have been vaccinated: https://t.co/7aZAWgFqQH
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