Leviticus 22:5
or whoever touches any swarming creature that makes him unclean or any person who makes him unclean—whatever his uncleanness—
Leviticus 15:7
Whoever touches the body of the man with a discharge is to wash his clothes and bathe with water, and he will remain unclean until evening.
Leviticus 11:43-44
Do not become contaminated by any creature that swarms; do not become unclean or defiled by them.
Leviticus 15:19
“When a woman has a discharge, and it consists of blood from her body, she will be unclean because of her menstruation
Leviticus 11:24-28
“These will make you unclean. Whoever touches their carcasses will be unclean