Cutting social distancing to within 1m could increase the likelihood of coronavirus transmission by more than four, a new study has found.
The paper, published in medical journal The Lancet, considered social distancing in relation to pre-existing studies involving 7,782 participants and highlighted the potential consequences of any changes.
As well as Covid-19, the meta-analysis also took into account Sars and Mers, and reached its conclusion with "moderate certainty" - but that hasn't prevented contrasting readings.
The authors concluded keeping 1m or more from others meant the chance of infection fell to 3%, but increased more than four fold to 13% if the distance was cut to within 1m.
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