Numbers 5:2-3
“Command the Israelites to send away from the camp anyone with a skin disease, anyone who has a bodily discharge, and anyone who is defiled by a dead body. / You must send away male and female alike; send them outside the camp so they will not defile their camp, where I dwell among them.”

Deuteronomy 23:10-11
If any man among you becomes unclean because of a nocturnal emission, he must leave the camp and stay outside. / When evening approaches, he must wash with water, and when the sun sets he may return to the camp.

Leviticus 22:4-6
If a descendant of Aaron has a skin disease or a discharge, he may not eat the sacred offerings until he is clean. Whoever touches anything defiled by a corpse or by a man who has an emission of semen, / or whoever touches a crawling creature or a person that makes him unclean, whatever the uncleanness may be— / the man who touches any of these will remain unclean until evening. He must not eat from the sacred offerings unless he has bathed himself with water.

Numbers 19:11-13
Whoever touches any dead body will be unclean for seven days. / He must purify himself with the water on the third day and on the seventh day; then he will be clean. But if he does not purify himself on the third and seventh days, he will not be clean. / Anyone who touches a human corpse and fails to purify himself defiles the tabernacle of the LORD. That person must be cut off from Israel. He remains unclean, because the water of purification has not been sprinkled on him, and his uncleanness is still on him.

Leviticus 13:1-3
Then the LORD said to Moses and Aaron, / “When someone has a swelling or rash or bright spot on his skin that may be an infectious skin disease, he must be brought to Aaron the priest or to one of his sons who is a priest. / The priest is to examine the infection on his skin, and if the hair in the infection has turned white and the sore appears to be deeper than the skin, it is a skin disease. After the priest examines him, he must pronounce him unclean.

Matthew 8:2-4
Suddenly a leper came and knelt before Him, saying, “Lord, if You are willing, You can make me clean.” / Jesus reached out His hand and touched the man. “I am willing,” He said. “Be clean!” And immediately his leprosy was cleansed. / Then Jesus instructed him, “See that you don’t tell anyone. But go, show yourself to the priest and offer the gift prescribed by Moses, as a testimony to them.”

Mark 1:40-44
Then a leper came to Jesus, begging on his knees: “If You are willing, You can make me clean.” / Moved with compassion, Jesus reached out His hand and touched the man. “I am willing,” He said. “Be clean!” / And immediately the leprosy left him, and the man was cleansed. ...

Luke 5:12-14
While Jesus was in one of the towns, a man came along who was covered with leprosy. When he saw Jesus, he fell facedown and begged Him, “Lord, if You are willing, You can make me clean.” / Jesus reached out His hand and touched the man. “I am willing,” He said. “Be clean!” And immediately the leprosy left him. / “Do not tell anyone,” Jesus instructed him. “But go, show yourself to the priest and present the offering Moses prescribed for your cleansing, as a testimony to them.”

Luke 17:12-14
As He entered one of the villages, He was met by ten lepers. They stood at a distance / and raised their voices, shouting, “Jesus, Master, have mercy on us!” / When Jesus saw them, He said, “Go, show yourselves to the priests.” And as they were on their way, they were cleansed.

Acts 10:14-15
“No, Lord!” Peter answered. “I have never eaten anything impure or unclean.” / The voice spoke to him a second time: “Do not call anything impure that God has made clean.”

Hebrews 9:10
They consist only in food and drink and special washings—external regulations imposed until the time of reform.

Matthew 15:1-2
Then some Pharisees and scribes came to Jesus from Jerusalem and asked, / “Why do Your disciples break the tradition of the elders? They do not wash their hands before they eat.”

Mark 7:1-4
Then the Pharisees and some of the scribes who had come from Jerusalem gathered around Jesus, / and they saw some of His disciples eating with hands that were defiled—that is, unwashed. / Now in holding to the tradition of the elders, the Pharisees and all the Jews do not eat until they wash their hands ceremonially. ...

2 Corinthians 6:17
“Therefore come out from among them and be separate, says the Lord. Touch no unclean thing, and I will receive you.”

Isaiah 52:11
Depart, depart, go out from there! Touch no unclean thing; come out from it, purify yourselves, you who carry the vessels of the LORD.