Leviticus 13:7-9

New Catholic Bible

⁷ But if the scab spreads after the priest has examined him and declared him to be clean, then he must be examined by the priest again. ⁸ The priest shall examine it, and if the sore has spread, the priest shall pronounce him to be unclean for it is leprosy.

⁹ “When a person has a leprous sore, he shall be brought to the priest