- Those given a first dose of vaccination were between 38% and 49% less likely to pass the virus on than unvaccinated people.
- Vaccination can reduce the risk of a person developing symptomatic infection up to 60% – 65%.
- Pfizer-BioNTech and Oxford-AstraZeneca vaccines were highly effective in preventing 10,400 deaths in patients over-60s by the end of March.
A single dose of a coronavirus vaccine can reduce household transmission of the virus by up to half, a study shows, reports BBC.
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