Mambo Ya Walawi 5:2

“ ‘Au kama mtu akigusa kitu chochote ambacho ni najisi, iwe ni mizoga ya wanyama pori walio najisi, au ya wanyama wafugwao walio najisi, au ya viumbe vitambaavyo ardhini, hata akiwa hana habari, amekuwa najisi na mwenye hatia.

Or if a soul touch any unclean thing, whether it be a carcase of an unclean beast, or a carcase of unclean cattle, or the carcase of unclean creeping things, and if it be hidden from him; he also shall be unclean, and guilty.