Mambo ya Walawi 13 : 11 Leviticus chapter 13 verse 11

ni ukoma wa zamani ulio katika ngozi ya mwili wake, na kuhani atasema kuwa yu najisi; hatamweka mahali, kwa kuwa yeye yuna unajisi.
soma Mlango wa 13

it is a chronic leprosy in the skin of his body, and the priest shall pronounce him unclean. He shall not isolate him, for he is unclean.