Researchers estimate that within just 5 seconds of flushing, virus particles could reach a height of more than 2 feet off the ground.
– and now urinals – can release inhalable coronavirus particles into the air.
"Urinal flushing indeed promotes the spread of bacteria and viruses," researcher Xiangdong Liu said in a press release."Wearing a mask should be mandatory within public restrooms during the pandemic, and anti-diffusion improvements are urgently needed to prevent the spread of COVID-19.
"It is reasonable to assume that the high-speed airflow will expel aerosol particles from the bowl to regions high in the air above the toilet, allowing viruses to spread indoors causing risks to human health," the researchers said at the time.
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