Whoever touches anything that was under him shall be unclean until evening; whoever carries any such thing shall wash his garments, bathe in water, and be unclean until evening.
or if someone, without being aware of it, touches any unclean thing, such as the carcass of an unclean wild animal, or an unclean domestic animal, or an unclean swarming creature, and thus is unclean and guilty;
or if someone, without being aware of it, touches some human uncleanness, whatever kind of uncleanness this may be, and then subsequently becomes aware of guilt;
Likewise, if someone touches anything unclean, whether it be human uncleanness or an unclean animal or an unclean loathsome creature, and then eats the meat of the communion sacrifice belonging to the Lord, that person, too, shall be cut off from the people. Prohibition Against Blood and Fat.
Then Haggai asked: “If a person defiled from contact with a corpse touches any of these, do they become defiled?” The priests answered, “They become defiled.”