It does not matter if the person touched the woman’s bed or if he touched something she sat on, that person will be unclean until evening.
Those insects will make you unclean. [134] Any person who touches the dead bodies of these insects will become unclean until evening.
If any person touches anything the woman has sat on, that person must wash his clothes and bathe in water. He will be unclean until evening.
“And if a man has sexual relations with a woman during her monthly time of bleeding, then the man will be unclean [251] seven days. Every bed that man lies on will be unclean.
If an unclean person touches someone else, then that other person also becomes unclean. That person will be unclean until evening.”