With Covid-19 cases still rising a week into the third lockdown (and after several weeks of Tier 3 restrictions in London and the South East) the questions are inevitably being asked: why isn’t lockdown reducing transmission of the virus and do we need even more stringent rules, whatever they might be? While some studies claim to have quantified a beneficial effect from lockdown measures during the first wave of Covid-19, a study at Stanford University questions this.
Dr Eran Bendavid and Professor John Ioannidis studied the imposition of ‘non-pharmaceutical interventions’ (NPIs) in ten countries and have reached the conclusion that while less-restrictive NPIs (which include social distancing and appeals to the public to reduce their social activities) had a clear effect, more-restrictive NPIs (which include business closures and stay at home orders) produced no clear additional benefits.
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