Ancestors

Toot

Written by Jeff Kaufman on 2024-12-08 at 13:54

I help organize a contra dance that requires N95s at half of our dances. Are there ways we could have a hall as safe as this but without the ways N95s make it harder to dance? I'm excited about supplementing ventilation and surgical masks with glycol vapor and 222-nm UVC: https://www.jefftk.com/p/alternatives-to-masks-for-infectious-aerosols

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Descendants

Written by dr2chase on 2024-12-08 at 14:25

@jefftk nose spray containing iota-carrageenan is likely protective against Covid and other respiratory viruses. https://pubmed.ncbi.nlm.nih.gov/34629893/ and a survey for common cold https://pmc.ncbi.nlm.nih.gov/articles/PMC7880062/

However, unlikely you'll be sharing nose-spray among all the participants.

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Written by Jeff Kaufman on 2024-12-08 at 15:50

@dr2chase I do think some kind of nasal spray can make sense for respiratory protection, though I haven't looked into specifics. In this case, though, I'm looking at what are things organizers of events can do on top of whatever individuals are doing for their own protection.

(So this includes the source control benefits of masks, but not their respiratory protection benefits)

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Written by dynomight on 2024-12-08 at 21:36

@jefftk Do you think it would be a good option to have some kind of system where fans blow air through a container where UV light is produced/contained? In principle seems like this could be much higher volume than pushing through filters?

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Written by Jeff Kaufman on 2024-12-10 at 03:03

@dynomight It's possible to use UV in a definitely-no-humans space, and the thing to look for here is "in-duct uv".

But unless the inside of your space is super UV-reflective you lose a lot of the benefit of UV being light: instead of rays covering a big room they are stuck inside your box.

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