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Closing toilet lid before flushing doesn't keep viral spray inside, study suggests
(www.cidrap.umn.edu)
just science related topics. please contribute
note: clickbait sources/headlines aren't liked generally. I've posted crap sources and later deleted or edit to improve after complaints. whoops, sry
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IIRC the control in the kitchen also showed contamination. I wasn't convinced by their methodology with this one. They demonstrated that flushing DID create aerosols, but they did not isolate that effect. "Poop is everywhere" isn't really an answer to the question.