Leviticus 15:5-8

5Anyone who touches his bed must wash their clothes and bathe with water, and they will be unclean till evening.

6Whoever sits on anything that the man with a discharge sat on must wash their clothes and bathe with water, and they will be unclean till evening.

7“ ‘Whoever touches the man who has a discharge must wash their clothes and bathe with water, and they will be unclean till evening.

8“ ‘If the man with the discharge spits on anyone who is clean, they must wash their clothes and bathe with water, and they will be unclean till evening.