After learning how many bacteria can live on bathroom door handles in a food hygiene course, I stopped opening them with my hands when leaving. I'm thankful tha

After learning how many bacteria can live on bathroom door handles in a food hygiene course, I stopped opening them with my hands when leaving. I'm thankful that most public places now have the S-shaped doorway. Incidentally, the door handle in a public bathroom can have significantly more bacteria on them than the toilet seat. So ladies (and gentlemen I guess) when you hover over the seat, reconsider if you actually want to touch that door handle. IIRC one study found a 20:1 ratio between doorhandle and toilet seat (door handles are wiped down with a regular cleaner, whilst toilets get a professional-grade bleaching).