Don't worry; much like the rest of the laundry in my house, my freshly washed flats are currently in a pile on the couch. (simplymombailey.com)
Our laundry is on the main floor, so if I have stinky towels or dishrags, they go strait into the washing machine to await their turn, so they don't get the rest of the laundry (and our bedroom!) (mommyscene.com)
Very dirty items, such as soiled sheets or clothing, should be washed separately in hot water to prevent bacteria from contaminating the rest of your laundry. (thespruce.com)