7 Bible Verses about Contamination

Or if any one touch any unclean thing, whether it be the carcase of an unclean beast, or the carcase of unclean cattle, or the carcase of an unclean crawling thing, and it be hid from him, he also is unclean and guilty;

And whomsoever he toucheth who hath the flux and hath not rinsed his hands in water he shall wash his garments, and bathe in water, and be unclean until the even.

Whoever toucheth a dead person, the dead body of a man that is dead, and purifieth not himself, defileth the tabernacle of Jehovah; and that soul shall be cut off from Israel; for the water of separation was not sprinkled upon him: he shall be unclean; his uncleanness is yet upon him.

Depart, depart, go out from thence, touch not what is unclean; go out of the midst of her, be ye clean, that bear the vessels of Jehovah.

And Jehovah spoke to Moses and to Aaron, saying, When ye come into the land of Canaan, which I give to you for a possession, and I put a leprous plague in a house of the land of your possession, then he whose house it is shall come and tell the priest, saying, It seemeth to me like a plague in the house;read more.
and the priest shall command that they empty the house before the priest go into it to see the plague, that all that is in the house be not made unclean; and afterwards the priest shall go in to see the house. And when he looketh on the plague, and behold, the plague is in the walls of the house, greenish or reddish hollows, and their look is deeper than the surface of the wall, then the priest shall go out of the house to the entrance of the house, and shut up the house seven days. And the priest shall come again the seventh day, and when he looketh, and behold, the plague hath spread in the walls of the house, then the priest shall command that they take away the stones in which the plague is, and they shall cast them out of the city, in an unclean place. And he shall cause the house to be scraped within round about, and they shall pour out the mortar that they have scraped off, out of the city in an unclean place. And they shall take other stones, and put them in the place of those stones; and they shall take other mortar, and shall plaster the house. And if the plague come again, and break out in the house, after he hath taken away the stones, and after he hath scraped the house, and after it is plastered, then the priest shall come, and when he looketh, and behold, the plague hath spread in the house, it is a corroding leprosy in the house: it is unclean. And they shall break down the house, the stones of it, and the timber thereof, and all the mortar of the house, and shall carry them forth out of the city to an unclean place. And he that goeth into the house as long as it is shut up shall be unclean until the even. And he that sleepeth in the house shall wash his garments, and he that eateth in the house shall wash his garments.

And Jehovah spoke to Moses, saying, Command the children of Israel, that they put out of the camp every leper, and every one that hath an issue, and whosoever is defiled by a dead person: both male and female shall ye put out; outside the camp shall ye put them, that they defile not their camps, in the midst whereof I dwell.read more.
And the children of Israel did so, and put them outside the camp: as Jehovah had said to Moses, so did the children of Israel.

but to write to them to abstain from pollutions of idols, and from fornication, and from what is strangled, and from blood.