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Covid: One dose of vaccine halves transmission - study

30 Apr 2021 3:17 PM | Anonymous

A single dose of a coronavirus vaccine can reduce household transmission of the virus by up to half, a study shows.

Those given a first dose of either the Pfizer or AstraZeneca vaccines - and who became infected three weeks later - were between 38% and 49% less likely to pass the virus on than unvaccinated people, PHE found.

BBC Reports



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