[Air Pollution and COVID-19: The Role of Particulate Matter in the Spread and Increase of COVID-19’s Morbidity and Mortality](https://web.archive.org/web/www.ncbi.nlm.nih.gov/pmc/articles/PMC7345938)
- [Source](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7345938/)
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[Particulate matter (PM2.5) as a potential SARS-CoV-2 carrier](https://web.archive.org/web/www.nature.com/articles/s41598-021-81935-9)
- [Source](https://www.nature.com/articles/s41598-021-81935-9)
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[Particulate matter (PM2.5) as a potential SARS-CoV-2 carrier (PubMed)](https://web.archive.org/web/pubmed.ncbi.nlm.nih.gov/33510270)
- [Source](https://pubmed.ncbi.nlm.nih.gov/33510270/)
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[Airborne interactions between viruses and PM2.5 as an unexplored modifier of viral viability](https://web.archive.org/web/www.labs.chem-eng.utoronto.ca/evans/2018/03/08/airborne-interactions-between-viruses-and-pm2-5-as-an-unexplored-modifier-of-viral-viability)
- [Source](http://www.labs.chem-eng.utoronto.ca/evans/2018/03/08/airborne-interactions-between-viruses-and-pm2-5-as-an-unexplored-modifier-of-viral-viability/)
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[What You Should Know About Wildfire Smoke Exposure and COVID-19](https://web.archive.org/web/www.verywellhealth.com/what-you-should-know-about-wildfire-smoke-exposure-and-covid-19-5194839)
- [Source](https://www.verywellhealth.com/what-you-should-know-about-wildfire-smoke-exposure-and-covid-19-5194839)
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https://twitter.com/RealGeorgeWebb1/status/1631579163160190978
(post is archived)