COVID-19: Flush of a urinal causes coronavirus-laden particles to 'climb violently' into the air 

Researchers from China simulated how particles are expelled from urinals when the latter are flushed - creating an invisible spray of potentially infectious droplets. https://www.dailymail.co.uk/sciencetech/article-8639001/COVID-19-Flush-urinal-causes-coronavirus-laden-particles-climb-violently-air.html?ns_mchannel=rss&ns_campaign=1490&ito=1490