Leviticus 14:44
then the priest shall come, and he shall examine [the infection], and {if} the infection has spread in the house, it [is] a destructive {mildew} in the house--it [is] unclean.
Leviticus 13:51-52
And he shall examine the infection on the seventh day; if the infection has spread on the garment or on the woven material or on the fabric or on the leather, for any work for which the leather is used, the infection [is] a destructive skin disease--it [is] unclean.
Zechariah 5:4
'I have sent it out,' {declares} Yahweh of hosts, 'and it will go into the house of the thief and into the house of the one swearing {falsely by my name}, and it will spend the night in that house and will destroy it, with its timber and its stone.'"