ARTICLE LINKS St Michaels hospital 3 year study https://www.ona.org/wp-content/uploads/ona_kaplanarbitrationdecision_vaccinateormask_stmichaelsoha_20180906.pdf
San Francisco; in defense of masks https://files.fast.ai/papers/masks_lit_review.pdf
CDC finds 85% of people who test positive wore masks everywhere The Blaze https://www.theblaze.com/op-ed/horowitz-cdc-study-covid-masks The Federalist https://thefederalist.com/2020/10/12/cdc-study-finds-overwhelming-majority-of-people-getting-coronavirus-wore-masks/ Brietbart https://www.breitbart.com/politics/2020/10/14/cdc-study-85-of-coronavirus-patients-reported-wearing-masks-always-or-often/
Province of Ontario web page ("non-medical mask use ...") https://www.ontario.ca/page/face-coverings-and-face-masks