Scary fact: “About 1 of every 20 patients gets an infection while hospitalized,” says Dr. Glenn Braunstein, chairman of the Department of Medicine, Cedars-Sinai Hospital, “and up to 98,000 Americans die from these each year. That makes infections the most common complication in hospital care and one of the nation’s top 10 causes of death.”

CNNMoney & Forbes: According to the American Hospital Association there are approximately 5,815 registered hospitals in the US. and all of them harbor dangerous microorganisms. Hospitals are supposed to be the place where the sick get well. They can also be where the sick get sicker, thanks to the virulent bacteria and viruses that live there.