Scientists filmed liquid particles that explode out of a toilet bowl after flushing

Such droplets are invisible to humans so they used lasers to make them visible

They can contain dangerous pathogens like E. coli, norovirus and coronavirus

Study finally shows what these particles look like and how they land on surfaces


From the experiments, the researchers found that particles can shoot out at speeds of 6.6 feet (2 metres) per second, reaching 4.9 feet (1.5 metres) above the toilet within eight seconds.

While the largest droplets settled onto surfaces within seconds, the smaller and therefore lighter particles remained suspended in the air for several minutes.

These smaller particles were less than 5 micrometres (0.0002 of an inch or one-millionth of a metre) in diameter.

Smaller particles not only float in the air for longer, but can escape nose hairs and reach deeper into the lungs.

Previous studies have shown that the virus that causes Covid (SARS-CoV-2) is present in human waste, although there's not yet conclusive evidence that it spreads efficiently through toilet aerosols.


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and many keep toothbrush in the open right beside the toilet