Does it matter if you flush with toilet lid up or down? Not really. - USA TODAY
- Does it matter if you flush with toilet lid up or down? Not really. USA TODAY
- Should you flush with the lid open or closed? Experts have a new theory New York Post
- Closing toilet lid before flushing doesn't keep viral spray inside, study suggests University of Minnesota Twin Cities
- Public toilet flushes send fecal matter higher than you might expect | USA TODAY USA TODAY
- Does closing the toilet lid before flushing prevent viral contamination? News-Medical.Net