Leviticus 14:38 in the King James Version
Then the priest shall go out of the house to the door of the house, and shut up the house seven days:
Context
37 He shall examine the plague; and behold, if the plague is in the walls of the house with hollow streaks, greenish or reddish, and it appears to be deeper than the wall,
38 then the priest shall go out of the house to the door of the house, and shut up the house seven days.
39 The priest shall come again on the seventh day, and look. If the plague has spread in the walls of the house,