Leviticus 15:3

And this shall be his uncleanness in regard to his discharge--whether his body runs with his discharge, or his body is stopped up by his discharge, it is his uncleanness.

Surrounding context

15:2 "Speak to the children of Israel, and say to them: "When any man has a discharge from his body, his discharge is unclean.

15:3 And this shall be his uncleanness in regard to his discharge--whether his body runs with his discharge, or his body is stopped up by his discharge, it is his uncleanness.

15:4 Every bed is unclean on which he who has the discharge lies, and everything on which he sits shall be unclean.

Translation and sources