Babbage: Clearing the air
The Economist Podcasts
Airborne transmission is one of the main ways that SARS-CoV-2 spreads. So why has it taken so long to be officially recognised? Host Kenneth Cukier and science correspondent Alok Jha investigate the flaws in public-health guidelines and how to assess the risk of aerosol contagion. It is time for a revolution in ventilation.
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