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Comment by mint2 | Hacker News Reader

This title is editorialized to be misleading. It’s specifically the nose not in general. It does not mean the viral load in the lungs is the same.

And studies indicate vaccinated ppl may stay infectious a shorter timespan.

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Why is nobody recommending a highly saline nasal irrigation as a prophylactic? Or even a lower saline nasal irrigation with a very diluted amount of hydrogen peroxide???

Probably because Trump suggested something similar...

Yeah, poor guy. He earned so much credibility with his no-nonsense, straight-shooting communication style full of poignant truths that it’s such a mystery why no one took him seriously on a subject in which he was so clearly well-versed and knowledgeable!

Yea, he was so "not credible" that for anything he said, the opposite has to be the "real" truth. /s

You need to have well sterilized water for that just not to lead to a sinus infection which will leave you more susceptible. Tapwater isn't good enough, and is going to be rather harsh out of most taps in the US. Clean water in general isn't a solved problem.

If you decide to do this with tap water, leave it out for a day or so to let the chlorine evaporate and then boil it for at least 5 minutes. Netti pots are also basically waterboarding fyi. Have fun!

Distilled water is available at any grocery store for less than a dollar a gallon.

At volume to supply literally everyone? Welcome to public health problems, where actions you recommend will be taken by nontrivial portions of the population.

> Why is nobody recommending a highly saline nasal irrigation as a prophylactic? Or even a lower saline nasal irrigation with a very diluted amount of hydrogen peroxide???

Is there any indication that any sort of nasal irrigation is effective at all?

Early in the pandemic some people recommended gargling with antiseptic solutions. From what I've heard that is generally not a good idea because it kills the natural bacterial flora too and that plays a role in the defense against infections.

Some do [0]. But obviously the gov & corporations controlling them prefer a more expensive prophylactic than a dirt cheap one.

0 - https://chrismasterjohnphd.com/covid-19/povidone-iodine-kill...

the idea of using povidone-iodine as a nasal prophylactic is interesting, but I think your explanation is lazy. for one, it's hard enough to get people to wear masks, much less snorting cleaner every morning! second, if this works, why wouldn't doctors and nurses be using it? they were at tons of risk before the vaccines.

edit: less sketchy link to a study of Iota-Carrageenan nasal spray for covid prophylaxis: https://www.medrxiv.org/content/10.1101/2021.04.13.21255409v... not peer reviewed, but a registered clinical trial reporting positive results.

There's an in-vitro study that shows efficacy with common nasal spray ingredients (carrageenan & xylitol): https://www.biorxiv.org/content/10.1101/2020.08.19.225854v1....

Also, the I-MASK+ early outpatient protocol mentions using a nasal & oral rinse: https://covid19criticalcare.com/wp-content/uploads/2020/11/F...

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