Leviticus 13:46

46He shall remain unclean as long as he has the disease. He is unclean. He shall live alone. His dwelling shall be aoutside the camp.

Numbers 12:14

14But the Lord said to Moses, “If her father had but bspit in her face, should she not be shamed seven days? Let her be cshut outside the camp seven days, and after that she may be brought in again.”

Numbers 31:19

19 dEncamp outside the camp seven days. Whoever of you has killed any person and ewhoever has touched any slain, purify yourselves and your captives on the third day and on the seventh day.
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