Leviticus 22:4

though a man be of the seed of Aaron the priest, yet if he be a leper, or hath a gonorrhea, he shall not eat of the holy things until he be cleansed. And with respect to him who toucheth any uncleanness of the dead, or the man from whom seminal matter may proceed;

And the man of the seed of Aaron the priest, if he should have leprosy or issue of the reins, shall not eat of the holy things, until he be cleansed; and he that touches any uncleanness of a dead body, or the man whose seed of copulation shall have gone out from him,