NEW BEDFORD — Open door. Wash hands. Take off clothes. Shower. Run a load of laundry. Wash hands again. Rinse face. This is the daily routine of Jeffrey Martin, 30, of New Bedford when he arrives home from a long day at Stop and Shop. Martin works as a grocery clerk and is responsible for stocking shelves, unloading palettes and changing displays. He is constantly on the floor surrounded by bustling customers, sometimes traveling in the wrong one-way direction. Although he doesn't interact with customers at the register, he may bump into one or two during his shift. Because of this, Martin...