Huge wrote:

Don't touch it. Dry your hands, take a paper towel, open the door
with it, then fold the "dirty" side inside and drop it in the next
waste paper basket you pass. Or use a piece of loo rool.

A few germs will toughen you up, no? As long as it's not actually covered in
enough **** to be visible, of course, which is not a given in every public
toilet.