There has been ‘a lot of denial’ about the role of asymptomatic and pre-symptomatic disease in the spread of COVID-19, argues one leading infectious diseases expert, as new evidence emerges about the significant transmission by people not showing any symptoms, the role of face masks and how quickly hospitals can become hotbeds for COVID-19 contamination. ...
COVID-19: The case for masks and why testing is so important
26 Apr 2020
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