Leviticus 13:45-48

“Those who suffer from a serious skin disease must tear their clothing and leave their hair uncombed. They must cover their mouth and call out, ‘Unclean! Unclean!’ As long as the serious disease lasts, they will be ceremonially unclean. They must live in isolation in their place outside the camp. “Now suppose mildew contaminates some woolen or linen clothing, woolen or linen fabric, the hide of an animal, or anything made of leather.