Leviticus 5:3

Or if he touches human uncleanness, of whatever sort his uncleanness may be with which he becomes unclean, and it is hidden from him, and then he comes to know it, he will be guilty.

Leviticus 12:1-8

Then the Lord spoke to Moses, saying,

Leviticus 15:1-33

The Lord also spoke to Moses and to Aaron, saying,

Numbers 19:11-16

The one who touches the corpse of any person shall be unclean for seven days.

Leviticus 22:4-6

No man of the descendants of Aaron, who is a leper or who has a discharge, may eat of the holy gifts until he is clean. And if one touches anything made unclean by a corpse or if a man has a seminal emission,

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