Charles Ellicott Commentary Leviticus 15:21-22

"And whosoever toucheth her bed shall wash his clothes, and bathe himself in water, and be unclean until the even. And whosoever toucheth anything that she sitteth upon shall wash his clothes, and bathe himself in water, and be unclean until the even." — Leviticus 15:21-22 (ASV)

And whoever touches her bed. —The regulations in these three verses are the same as those laid down in Leviticus 15:4-6.