Wednesday 17 June 2020

What do you do when you flush? Covid-19

Lid up or down?

When you flush the toilet in the bathroom the process creates a fine aerosol of droplets which spread and linger in the air around the toilet. Closing the lid of the toilet reduces the dispersion of this fine mist, it reduces the spray which may contain fecal matter. That fecal matter can transmit the Covid-19 virus (and other bugs such as e-coli) and transfer it to other surrounding surfaces.

In the case of our holiday cottage that contamination from the toilet could settle on the shower enclosure, the bathroom floor, the wash basin and taps (faucets).  It is why we always wipe down such surfaces during end of rental turnaround cleaning. We have to assume our guests are not biosecure in their daily habits. Typically we'll use Zoflora in water. (1:30 concentration) and leave the surface damp for at least 5 minutes to allow the biocide to work.

Here's what the active biocide in Zoflora does to rats during tests.

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