See Leviticus 15:13-16.
Related Commentaries of Leviticus 22:4
Leviticus 22:4
4 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;