'Scab' in the Bible
'When a man hath in the skin of his flesh a rising, or scab, or bright spot, and it hath become in the skin of his flesh a leprous plague, then he hath been brought in unto Aaron the priest, or unto one of his sons the priests;
And the priest hath seen him on the second seventh day, and lo, the plague is become weak, and the plague hath not spread in the skin -- and the priest hath pronounced him clean, it is a scab, and he hath washed his garments, and hath been clean.
'And if the scab spread greatly in the skin, after his being seen by the priest for his cleansing, then he hath been seen a second time by the priest;
and the priest hath seen, and lo, the scab hath spread in the skin, and the priest hath pronounced him unclean; it is leprosy.
and for a rising, and for a scab, and for a bright spot, --