Leviticus 14:46-48

New International Version - UK

⁴⁶ ‘Anyone who goes into the house while it is closed up will be unclean till evening. ⁴⁷ Anyone who sleeps or eats in the house must wash their clothes.

⁴⁸ ‘But if the priest comes to examine it and the mould has not spread after the house has been plastered, he shall pronounce the house clean, because the defiling mould is gone.