22 “Whatever the unclean person touches shall be unclean; and the soul that touches it shall be unclean until evening.”
Numbers 19:22 Cross References - WEB
Leviticus 5:2
2 “‘Or if anyone touches any unclean thing, whether it is the carcass of an unclean animal, or the carcass of unclean livestock, or the carcass of unclean creeping things, and it is hidden from him, and he is unclean, then he shall be guilty.
Leviticus 7:19
19 “‘The meat that touches any unclean thing shall not be eaten. It shall be burned with fire. As for the meat, everyone who is clean may eat it;
Leviticus 15:5
5 Whoever touches his bed shall wash his clothes, and bathe himself in water, and be unclean until the evening.
Haggai 2:13
13 Then Haggai said, “If one who is unclean by reason of a dead body touch any of these, will it be unclean?” The priests answered, “It will be unclean.”