Thursday, September 10, 2020

Speak softly and scatter fewer coronavirus particles, say researchers


By Rocky Swift

TOKYO (Reuters) - 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.  Read more >>