And the LORD said unto Moses, Speak unto the priests the sons of Aaron, and say unto them, There shall none defile himself for the dead among his people:
Whosoever touches the dead body of any man that is dead, and purifies not himself, defiles the tabernacle of the LORD; and that soul shall be cut off from Israel: because the water of purification was not sprinkled upon him, he shall be unclean; his uncleanness is yet upon him.
And if any man dies very suddenly beside him, and he has defiled the head of his consecration; then he shall shave his head in the day of his cleansing, on the seventh day shall he shave it.
And there were certain men, who were defiled by the dead body of a man, that they could not keep the passover on that day: and they came before Moses and before Aaron on that day: