Leviticus 13:22

22 If during that time the affected area spreads on the skin, the priest must pronounce the person ceremonially unclean, because it is a serious disease.

Leviticus 13:22 Meaning and Commentary

Leviticus 13:22

And if it spread much abroad in the skin
Upon viewing it on the seventh day, though it is not expressed, the swelling or bright spot; or "in spreading spread"; (See Gill on Leviticus 13:7); which Ben Gersom interprets, not of the skin of the flesh, but of the ulcer: then the priest shall pronounce him unclean;
even though there are no white hairs in it, nor is it lower than the skin, yet is not at a stand or contracted, but spreading: it [is] a plague;
or stroke; it is one sort of a leprosy, and such an one as makes a man unclean in a ceremonial sense.

Leviticus 13:22 In-Context

20 If the priest examines it and finds it to be more than skin-deep, and if the hair in the affected area has turned white, the priest must pronounce the person ceremonially unclean. The boil has become a serious skin disease.

21 But if the priest finds no white hair on the affected area and the problem appears to be no more than skin-deep and has faded, the priest must quarantine the person for seven days.

22 If during that time the affected area spreads on the skin, the priest must pronounce the person ceremonially unclean, because it is a serious disease.

23 But if the area grows no larger and does not spread, it is merely the scar from the boil, and the priest will pronounce the person ceremonially clean.

24 “If anyone has suffered a burn on the skin and the burned area changes color, becoming either reddish white or shiny white,