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Coronavirus: Speaking quietly can reduce the spread of deadly bug, scientists claim

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www.mirror.co.uk

More quiet zones in high-risk indoor spaces, such as hospitals and restaurants, could help to cut coronavirus contagion risks, researchers have said, after a study showed that lowering speaking volume can reduce the spread of the disease.

In efforts to rein in transmission, a reduction of 6 decibels in average speech levels can have the same effect as doubling a room's ventilation, scientists said on Wednesday, in an advance copy of a paper detailing their study. "The results suggest that public health authorities should consider implementing 'quiet zones' in high-risk indoor environments, such as hospital waiting rooms or dining facilities," wrote the six researchers from the University of California, Davis.

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