Leviticus 13:18
When an ulcer appears on a person’s skin that, after healing,
The priest will examine him, and if he finds that the disease has turned white, he shall declare the sick person clean: he is clean.
After examining the sore, the priest will declare him unclean: the open sore is leprous.
then the priest must examine the sick person, and if he finds that leprosy covers his entire body, he should declare the sick person clean. Since it has all turned white, he is clean.
But if leprosy spreads all over the skin and covers a person entirely from head to toe as far as the priest can see,
then it is leprosy of the skin, and the priest must declare him unclean. It is pointless to isolate him for a time; he is unclean.
The priest must examine him. If he finds a whitish swelling on the skin that causes the hairs to turn white and an ulcer is developing,