Ancestors

Written by ikuo on 2025-01-15 at 16:01

Question for the covid-cautious community:

I know some people use iota-carrageenan nasal sprays as an additional measure on top of masks, air cleaning, ventilation, etc. I've heard of people using them for high-risk situations like airplanes or medical appointments.

I'm wondering - not for me, for someone who is not happy wearing a mask - would using a nasal spray INSTEAD of a mask be a "better than nothing" option? Is iota-carrageenan nasal spray safe to use daily?

Thanks!

[#]CovidIsNotOver

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Toot

Written by Graydon on 2025-01-15 at 16:37

@ikuo1000 It is better than nothing (and it's safe to use every few hours, label usually says every 6) but it's not much better than nothing.

Best-and-brightest nasal spray results are about 60% protective; middle-of-the-values is more like 40% protective.

With a five shot revolver, you'd be playing Russian Roulette with two or three of the five chambers loaded.

With a respirator, you've completely unloaded the revolver; you're at risk from stray bullets from elsewhere.

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Descendants

Written by ikuo on 2025-01-15 at 17:03

@graydon OH! Thank you, I appreciate these insights a lot.

I agree, a good mask is the best protection, and I'm only considering this option in the case of someone being adamant about NOT wearing a mask.

By any chance do you have any links to the sources that say nasal sprays are only 40-60% protective? Thank you.

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Written by Graydon on 2025-01-15 at 17:16

@ikuo1000 https://pmc.ncbi.nlm.nih.gov/articles/PMC8493111/ would be 80% protective in the simple model, but also "formal study with medical professionals as subjects", so better than generally expected. (1 - 0.2)^10 ≅11% chance of avoiding infection.

This one https://www.sciencedirect.com/science/article/pii/S1386653222001809 gets a 60% reduction.

This is not a deeply studied area. It's very likely anything reducing viral replication in your nose helps when infected, but how much exactly is not firmly established. Prevention is preferable.

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