Upon examining a wealth of existing research dating as far back as the 1950s, the authors of the paper explain that flushing a toilet that contains fecal matter can produce bioaerosols that remain in the air for an extended period of time. Much of the research suggests the material remains in the air for up 8 minutes after the toilet was flushed.

******Toilet seats in public restrooms rarely have lids******

https://bgr.com/2020/04/23/coronavirus-tips-new-spread-from-flushing-to

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