Yes. Link cites researchers and institution. https://microbiologysociety.org/news/society-news/does-putting-the-lid-down-when-flushing-the-toilet-really-make-a-difference.html
Ninja edit: Does not eliminate but greatly reduces. Appears "Worth it."
Yes. Link cites researchers and institution. https://microbiologysociety.org/news/society-news/does-putting-the-lid-down-when-flushing-the-toilet-really-make-a-difference.html
Ninja edit: Does not eliminate but greatly reduces. Appears "Worth it."
It makes sense in some regards because with the lid closed you don't have air flow so therefore you would have microdroplets suspended in the air in the bowl. I'd rather a longer loiter time in the bowl than dispersion into the greater area.