Studies quoted in the video:
1) A cluster randomised trial of cloth masks compared with medical masks in healthcare workers:
https://pubmed.ncbi.nlm.nih.gov/25903751/
(archive link:
2) WHO study from June 5: Advice on the use of masks in the context of COVID-19
https://www.who.int/publications/i/item/advice-on-the-use-of-masks-in-the-community-during-home-care-and-in-healthcare-settings-in-the-context-of-the-novel-coronavirus-(2019-ncov)-outbreak
(archive link:
3) Nature Medicine: Respiratory virus shedding in exhaled breath and efficacy of face masks:
https://www.nature.com/articles/s41591-020-0843-2
(archive link:
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1:47
17:11