Here's something you should probably know if you're going to be staying at a hotel sometime in the next few weeks.
Quote, "Chairs can often be made of hard-to-clean fabric and upholstery, and are definitely not cleaned [like] sheets and towels... often, stains on chairs are dabbed and rubbed, but other germs that are not noticeable to the eye remain."
Also, people throw all sorts of things onto the chairs like their dirty clothes, shoes, and bags, which means the fabric is picking up all sorts of bacteria and germs that don't usually get cleaned off between guests.