Levítico 11

And for these ye shall be unclean: whosoever toucheth the carcase of them shall be unclean until the even.
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A impureza temporária por tocar cadáveres reflete hierarquia de contaminação: menos grave que transgressões morais, mas exigindo purificação ritual (comparar com nm19:11).
And he that beareth the carcase of them shall wash his clothes, and be unclean until the even: they are unclean unto you.