What man soever of the seed of Aaron is a leper, or hath a running issue; he shall not eat of the holy things, until he be clean. And whoso toucheth any thing that is unclean by the dead, or a man whose seed goeth from him. Leviticus 22:4

Trivia: What was the name of the person in Revelation 19:12-13 who had flaming eyes, many crowns on his head, clothes dipped in blood, and a name written on him that no one knew but himself?