Dorothea Handron suffered an infection after a surgeon unknowingly pierced her bowel during a hernia operation. She became so ill that doctors placed her in a medically induced coma for six weeks. Jim R. Bounds/AP Images for Kaiser Health News hide caption

itoggle caption Jim R. Bounds/AP Images for Kaiser Health News

To fight antibiotic-resistant staph germs like these, a study suggests disinfecting the skin of all intensive care patients. Janice Carr/CDC hide caption

itoggle caption Janice Carr/CDC

Pretty to look at, almost, but Klebsiella pneumoniae bacteria these are a common cause of infections in hospitals. CDC hide caption

itoggle caption CDC