King James Version
Then the priest shall come and look, and, behold, if the plague be spread in the house, it is a fretting leprosy in the house: it is unclean.English Standard Version
then the priest shall go and look. And if the disease has spread in the house, it is a persistent leprous disease in the house; it is unclean.Catholic Public Domain Version
the priest, upon entering, will have seen that the leprosy has returned, and that the walls are sprinkled with spots, then it is a persistent leprosy and the house is unclean