I've seen this before, but Rachel had a segment last night about communities testing sewer water for signs of Covid. Shows up weeks before folks head to the hospitals.

It would seem that this would be a perfect home test. Check your own toilet water once a week and you would know early in the process. What's involved in the chemistry of this process? Could it be scaled down to a home test?

I believe such tests are simply PCR-based, and probably could not be done at home ... though in theory, it would be possible to do a home test ... saliva-based, and maybe using isothermal amplification or antibodies.

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Freya says, 'Hello from NOLA, baby!' (Laissez bon temps rouler!)

Statistical analysis, not hugely significant. COVID Home tests are already a huge scam market and should be avoided.

Find me a Waste Water Treatment Plant in the US that does NOT show a positive Covid test in their raw influent.

This type of testing was relevant in the Spring, but now the virus is everywhere.

And should be detected everywhere by any competent test facility.

....can this be used in conjunction with pregnancy test......???

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I reject your reality and substitute my own!