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Thursday, July 22, 2021

World-first study shows effectiveness of masks in preventing COVID transmission

The mandating of masks during Melbourne’s COVID-19 second wave in July 2020 was the single-most important control measure and “turned the epidemic around”, new world-leading Burnet Institute research shows.

The study, published in the journal PLOS ONE, highlights the effectiveness and critical importance of masks as a key tool to prevent community spread of the highly infectious Delta variant in Australia and globally.

Co-lead author Dr Nick Scott said the introduction of mandatory mask use by the Victorian Government on 22 July 2020 while Stage 3 restrictions were in place, turned an exponential increase in community transmission into an exponential decrease, almost overnight.

“We had a unique situation in Melbourne where masks were made mandatory as a single policy change, and compliance went from low use to very high use of masks in the community very rapidly,” Dr Scott, Head of Burnet’s Modelling and Biostatistics Group, said...

https://www.burnet.edu.au/news/1473_?fbclid=IwAR3_htaaGKkBmV3N_0BB6lAjcL78jKNRv9nlvfMz919FapSS59nY5xNnkMo

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