Quoting TTCbbno5:" It's a contagious skin virus. I had never seen or heard of it until my son got it two years ago, at his ... [snip!] ... and it's impossible to know when he's done it and make him wash after... I feel like it's going to be in our house forever!"
I had this as did my friend. It does last a few years but I remember my friend got cream from her dr to use during break outs and hers only last a few months. I did not figure out what it was until the end so it lasted a couple years for me.