Tests on hamsters reveal the widespread use of facemasks reduces transmission of the deadly coronavirus, a team of leading experts in Hong Kong said Sunday.
The research by the University of Hong Kong is some of the first to specifically investigate whether masks can stop symptomatic and asymptomatic COVID-19 carriers from infecting others.
The researchers found non-contact transmission of the virus could be reduced by more than 60 percent when the masks were used.The infection rate plunged to just over 15 percent when surgical masks were put on the cage of the infected animals and by about 35 percent when placed on the cage with the healthy hamsters.
“It also explained why universal masking is important because we now have known that a large number of those infected have no symptom.”
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