Leviticus 11:42

11:42 You must not eat anything that crawls on its belly or anything that walks on all fours or on any number of legs of all the swarming things that swarm on the land, because they are detestable.

Leviticus 13:13

13:13 the priest must then examine it, and if the disease covers his whole body, he is to pronounce the person with the infection clean. He has turned all white, so he is clean.