Russian vaccine is 91 per cent effective against Coronavirus
Published
The preliminary findings, published in The Lancet, are based on analysis of data from nearly 20,000 participants.
Full ArticlePublished
The preliminary findings, published in The Lancet, are based on analysis of data from nearly 20,000 participants.
Full ArticleBefore these results, little was known about how effective the Covid-19 vaccines were at preventing transmission of the disease.