Lid closure (whether left open or closed) had no significant effect ... or vomit shed into a toilet bowl. These bioaerosols ...
Clogged holes underneath the toilet bowl rim can reduce the water flow needed ... check if the shut-off valve is fully open, ...
When the toilet was flushed with the lid open, the particles spread over a wide area, including 40 cm above the toilet bowl and 15 cm in front of it on the user’s side. When the toilet was ...