If the leprosy, i.e. the sign or appearance of the leprosy; or the scab is called a leprosy, because at first view it seemed to be so to the priest, and to other beholders. Have covered all his flesh: when it appeared in some one part, it discovered the ill humour which lurked within, and withal the inability of nature to expel it; but when it overspread all, it manifested the strength of nature conquering the distemper, and purging out the ill humours into the outward parts.
Related Commentaries of Leviticus 13:13
Leviticus 13:13
13 Then the priest shall consider: and, behold, if the leprosy have covered all his flesh, he shall pronounce him clean that hath the plague: it is all turned white: he is clean.