its air borne, you work with the public, so easily caught. used to be a sign of dirt when it was rife in the early part of last century. but these things are still there, begins with a raised rash, and it looks like it is getting better as it begins to fade. hence the ring name, as it leaves a ring of very itchy dry skin. the boobs are super succeptable to it, due to moistness.if its any consolation i have a wee patch on my boob too !! maybe ye got it off me that night we…… ooh best not say ;)