Leviticus 22:5-8

⁵or if he touches anything that crawls on the ground, or if he touches any person who causes him to be unfit for his work.

⁶Any priest who touches such things must bathe, and he must not touch anyone else until that evening.

⁷After the sun sets, he will be permitted to eat some of the sacred offerings that are for him to eat.

⁸He must not eat anything that is found dead or that has been killed by wild animals, because if he did that, he would be unfit to work for me. I, Yahweh am commanding those things.