Leviticus 22:5

and whoever touches a swarming thing by which he may be made unclean or a person from whom he may take uncleanness , whatever his uncleanness may be—

or if he touches any crawling thing that makes him unclean, or any person who makes him unclean, whatever the uncleanness may be.

Or whosoever toucheth any creeping thing, whereby he may be made unclean, or a man of whom he may take uncleanness, whatsoever uncleanness he hath;