About 100,000 people die each year in US hospitals from infections that they get while they are in the hospital. Less than half that many die on US highways. The hospital deaths are due to poor housekeeping and poor hygiene. Floors, walls, and doors are not cleaned regularly or thoroughly. Room dividers are almost never cleaned. The carts that carry food trays, and the trays themselves, are usually contaminated from handling and coughing. Cooks and other food handlers can easily infect the food by not washing properly after using the bathroom