Sepsis can be a dangerous complication of almost any type of infection, including influenza, pneumonia and E. coli; urinary tract infections; bloodstream infections from wounds; and abdominal infections. Steve Peters, M.D., a pulmonary and critical care physician at Mayo Clinic in Rochester, Minn., explains sepsis symptoms and risk factors, the difference between severe sepsis and septic shock, and how sepsis is typically treated. For more information, see the Mayo Clinic News Network.