Leviticus 13:8

8 If the priest finds that the rash has spread, he must pronounce the person ceremonially unclean, for it is indeed a skin disease.

Leviticus 13:8 Meaning and Commentary

Leviticus 13:8

And [if] the priest see that, behold, the scab spreadeth in
the skin
Is not at a stay, as when he looked at it a second and third time:

then the priest shall pronounce him unclean;
a leprous person; to be absolutely so, as Jarchi expresses it; and so obliged to the birds (to bring birds for his cleansing), and to shaving, and to the offering spoken of in this section, as the same writer observes:

it [is] a leprosy:
it is a clear and plain case that it was one, and no doubt is to be made of it, it is a spreading leprosy: as sin is; it spreads itself over all the powers and faculties of the soul, and over all the members of the body; and it spreads more and more in every stage of life, unless and until grace puts a stop to it.

Leviticus 13:8 In-Context

6 On the seventh day the priest will make another examination. If he finds the affected area has faded and has not spread, the priest will pronounce the person ceremonially clean. It was only a rash. The person’s clothing must be washed, and the person will be ceremonially clean.
7 But if the rash continues to spread after the person has been examined by the priest and has been pronounced clean, the infected person must return to be examined again.
8 If the priest finds that the rash has spread, he must pronounce the person ceremonially unclean, for it is indeed a skin disease.
9 “Anyone who develops a serious skin disease must go to the priest for an examination.
10 If the priest finds a white swelling on the skin, and some hair on the spot has turned white, and there is an open sore in the affected area,