And the priest shall look on the disease, after that it is washed: and, behold, if the disease has not changed its color, though the disease is not spread; it is unclean; you shall burn it in the fire; it continues eating away, whether the damage is inside or outside.
Read Chapter 13
George Leo Haydock
Returned, which it had before it was infected, and, consequently, as the Hebrew reads, "behold the plague has not changed its colour. "(Haydock)