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This is an interesting one too:
https://www.nejm.org/doi/full/10.1056/NEJMc2007800#article_citing_articles
This is an interesting one too:
https://www.nejm.org/doi/full/10.1056/NEJMc2007800#article_citing_articles
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Fyoosh
@deleted
Thought this was interesting, might also make folk more circumspect about mask wearing:
Coronavirus detected on particles of air pollution
https://www.theguardian.com/environment/2020/apr/24/coronavirus-detected-particles-air-pollution