Leviticus 13:7, 27
Leviticus 13:7 ESV
But if the eruption spreads in the skin, after he has shown himself to the priest for his cleansing, he shall appear again before the priest.
Leviticus 13:27 ESV
and the priest shall examine him the seventh day. If it is spreading in the skin, then the priest shall pronounce him unclean; it is a case of leprous disease.