Face masks 'most effective' way to prevent COVID-19 spread: study

Australian advice on masks 'isn't rational', leading infection control expert Professor Mary-Louise McLaws says

Mandatory wearing of face masks in COVID-19 epicentres likely prevented tens of thousands of cases, a US study suggests.

Professor Mary-Louise McLaws.

The findings also suggest that the widespread use of face masks in public is more effective than other public health measures, the researchers say.

However, their further claim that airborne transmission is the “dominant” route of SARS-CoV-2 transmission

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