When a man has a rising in the skin of his flesh, or a scab or bright spot, and it is in the skin of his flesh like the plague of leprosy, then he shall be brought to Aaron the priest, or to one of his sons the priests.
And the priest shall look on him the seventh day. If it spreads farther in the skin, then the priest shall pronounce him unclean. It is the plague of leprosy.
And the priest shall look on him again in the seventh day. And, behold, if the plague is somewhat dark; the plague has not spread in the skin, the priest shall pronounce him clean. It is a scab. And he shall wash his clothes and be clean.