Leviticus 13:22

22 and if it spread greatly in the skin, then hath the priest pronounced him unclean, it [is] a plague;

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 and the priest hath seen, and lo, its appearance [is] lower than the skin, and its hair hath turned white, and the priest hath pronounced him unclean; it [is] a plague of leprosy -- in an ulcer it hath broken out.
21 `And if the priest see it, and lo, there is no white hair in it, and it is not lower than the skin, and is become weak, then hath the priest shut him up seven days;
22 and if it spread greatly in the skin, then hath the priest pronounced him unclean, it [is] a plague;
23 and if in its place the bright spot stay -- it hath not spread -- it [is] an inflammation of the ulcer; and the priest hath pronounced him clean.
24 `Or when flesh hath in its skin a fiery burning, and the quickening of the burning, the bright white spot, hath been very red or white,
Young's Literal Translation is in the public domain.