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Covid-19: Vaccines are highly effective in preventing deaths from delta variant, study indicates

BMJ 2021; 375 doi: https://doi.org/10.1136/bmj.n2582 (Published 21 October 2021) Cite this as: BMJ 2021;375:n2582
  1. Bryan Christie
  1. Edinburgh

The first countrywide study of deaths caused by the delta variant of covid-19 has found that vaccination is 90% effective in preventing people from dying.

The research was carried out in Scotland and was based on an analysis of 114 706 cases of SARS-CoV-2 infection detected in the community between April and September this year. Almost all infections were of the delta variant. The study found that the Oxford-AstraZeneca vaccine was 91% effective in preventing deaths in people who have been double vaccinated, while the Pfizer-BioNTech vaccine was 90% effective. The results …

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