Leviticus 14:37-39

Young's Literal Translation

³⁷ and he hath seen the plague, and lo, the plague [is] in the walls of the house, hollow strakes, very green or very red, and their appearance [is] lower than the wall,

³⁸ and the priest hath gone out of the house unto the opening of the house, and hath shut up the house seven days.

³⁹ `And the priest hath turned back on the seventh day, and hath seen, and lo, the plague hath spread in the walls of the house,