Leviticus 22:5
or a man who touches any swarming thing by which he may be made unclean, or touches a man who is unclean to him, by any uncleanness he has,
Leviticus 15:7
And he that touches the flesh of him who issues shall wash his clothes, and bathe in water, and be unclean until the evening.
Leviticus 11:43-44
You shall not defile yourselves with any swarming thing that swarms, neither shall you make yourselves unclean with them, so that you should be defiled by them.
Leviticus 15:19
And if a woman has an issue, and her issue in her flesh is blood, she shall be in her impurity seven days. And whoever touches her shall be unclean until the evening.
Leviticus 11:24-28
And you shall be unclean for these. Whoever touches their dead body shall be unclean until the evening.