Numbers 19:22
Furthermore, anything the unclean person touches shall be unclean, and anyone who touches it shall be [ceremonially] unclean until evening.’”
Haggai 2:13
Then Haggai said, “If one who is [ceremonially] unclean because of [contact with] a corpse touches any of these [articles of food], will it be unclean?” And the priests answered, “It will be unclean.” [Ceremonial uncleanness, like sin, is infectious.]
Leviticus 5:2
Or if someone touches any [ceremonially] unclean thing—whether the carcass of an unclean wild animal or the carcass of an unclean domestic animal or the carcass of unclean creeping things—even if he is unaware of it, he has become unclean, and he will be guilty.
Leviticus 7:19
‘The meat that comes in contact with anything that is unclean shall not be eaten; it shall be burned in the fire. As for other meat, everyone who is [ceremonially] clean may eat it.
Leviticus 15:5
Whoever touches his bed shall wash his clothes, and bathe in water, and be unclean until evening;
Matthew 15:19-20
Mark 7:21-23