Numbers 19:14–16

14 ‘This is the law when a man dies in a tent: All who come into the tent and all who are in the tent shall be unclean seven days; 15 and every qopen vessel, which has no cover fastened on it, is unclean. 16 rWhoever in the open field touches one who is slain by a sword or who has died, or a bone of a man, or a grave, shall be unclean seven days.