Cross reference
Leviticus 13:51
51 He shall examine the plague on the seventh day. If the plague has spread in the garment, either in the warp, or in the woof, or in the skin, whatever use the skin is used for, the plague is a destructive mildew. It is unclean.
Leviticus 14:44
44 then the priest shall come in and look; and, behold, if the plague has spread in the house, it is a destructive mildew in the house. It is unclean.