Had a friend years ago whose dog ran through PI though no one knew it at the time. He carried the dog into the shower to wash him off (both of them at the same time washing) and his lower body doubled in size within a few days. Had to takes lots of steroids after the ER visit...
Recently a friend's dog stepped on one my bare feet indoors... didn't think much of it. He had PI apparently on his pads, I got it on top of my foot, but I only found out a few days later. By then my socks had crosscontaminated my feet... both feet with a mild to moderate rash on top. Indeed, still have a bit of it now. I don't think that washing does a very good job on removing the oil from wool socks. Did not have any problem on the bottom of my feet, even though clearly the dog walked on the same floor I did. It was just the more sensitive skinned top of my foot where the rough pads ground in oil that got PI irritation, followed by cross contamination.
Yes, the hot (hotter! near first degree burn hot!) water spray on PI infested areas feels... really good... :cloud9: