Numbers 19:11; Numbers 19:16; Leviticus 21:11

11 wWhoever touches the dead body of any person shall be unclean seven days.

16 bWhoever in the open field touches someone who was killed with a sword or who died naturally, or touches a human bone or a cgrave, shall be unclean seven days.

11 He shall not lgo in to any dead bodies nor make himself unclean, even for his father or for his mother.