Leviticus 13:5-7

Living Bible

⁵ At the end of that time, on the seventh day, the priest will examine him again, and if the spot has not changed and has not spread in the skin, then the priest must quarantine him seven days more. ⁶ Again on the seventh day the priest will examine him, and if the marks of the disease have become fainter and have not spread, then the priest shall pronounce him cured; it was only a scab, and the man need only wash his clothes and everything will be normal again. ⁷ But if the spot spreads in the skin after he has come to the priest to be examined, he must come back to the priest again,