“Now suppose the disease has spread all over the person’s skin, covering the body from head to foot.
When the priest examines the infected person and finds that the disease covers the entire body, he will pronounce the person ceremonially clean. Since the skin has turned completely white, the person is clean.
But if any open sores appear, the infected person will be pronounced ceremonially unclean.
The priest must make this pronouncement as soon as he sees an open sore, since open sores indicate the presence of a skin disease.
However, if the open sores heal and turn white like the rest of the skin, the person must return to the priest