If it spreads in the skin, the priest shall pronounce him unclean; it is diseased.
“When a person has on the skin of his body a swelling or an eruption or a spot and it turns into a defiling disease on the skin of his body, he shall be brought to Aaron the priest or to one of his sons the priests.
But if the priest examines it and the hair on it is not white nor is it deeper than the skin but has abated, the priest shall confine him seven days.
But if the spot remains in one place and does not spread, it is the scar of the boil; the priest shall pronounce him clean.
The priest shall come again on the seventh day and make an inspection; if the disease has spread in the walls of the house,