Audio long read: What scientists have learnt from COVID lockdowns
Nature Podcast
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The Impact of Lockdowns on COVID-19
In May 2020, for instance, bats and others analyzed lockdowns in 11 European countries. They extrapolated from the fall in viral transmission that these measures alone had saved more than 3 million lives. One issue is that it could have overstated the size of the benefit because it assumes that without lockdown mandates, people wouldn't have reduced their social contacts. In reality, rising deaths would probably have changed people's behaviour. That happened in Florida, where data showed a reduction in mobility during the first wave about two weeks before lockdowns.
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