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Comment by rayuela | Hacker News Reader

Wow this is actually incredible if this works. However this study was tested bacteria and relate it to covid in the following way:

"an ozone application achieves a high level of disinfection against PsA, a vegetative bacteria that the CDC identifies as more difficult to kill than medium sized viruses such as SARS-CoV-2 (Covid-19)"

Would the implication be that this same method works on covid as well? That is not immediately apparent to me...

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It sounds like it's saying "ozone kills the tougher bacteria than Covid at a very high rate".

So directly it says absolutely nothing about Covid but implicitly it does seem to state that it should also kill Covid since it's less tough to kill than the vegetative bacteria. I guess they can't make that statement directly--there's no evidence related to Covid here. I'd ignore it.

But why are they making this proxy argument, why not test with covid directly? Makes me think they did test with covid and it wasn't working.

Maybe the mechanism of death is similar so if it kills a more difficult strain the same mechanism will kill the "easier strain". It doesn't directly state it though, I think it's just speculation. It doesn't belong in a science paper except maybe in a speculative section about the future I guess.

Is the 'difficulty' related to the method at all, or just the amount of effort required?

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