Numbers 5:2
Command the children of Israel, that they put out of the camp every leper, and every one that has an issue, and whoever is defiled by the dead:
Torrey's Topical Textbook—AKJV

Numbers 12:14,15
And the LORD said to Moses, If her father had but spit in her face, should she not be ashamed seven days? let her be shut out from the camp seven days, and after that let her be received in again.
Torrey's Topical Textbook—AKJV