ESV: 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.
NIV: the priest is to go and examine it and, if the mold has spread in the house, it is a persistent defiling mold; the house is unclean.
NASB: then the priest shall come in and make an inspection. If he sees that the spot has indeed spread in the house, it is a malignant spot in the house; it is unclean.
CSB: the priest is to come and examine it. If the contamination has spread in the house, it is harmful mildew; the house is unclean.
NLT: the priest must return and inspect the house again. If he finds that the mildew has spread, the walls are clearly contaminated with a serious mildew, and the house is defiled.
KJV: 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.
NKJV: then the priest shall come and look; and indeed if the plague has spread in the house, it is an active leprosy in the house. It is unclean.