Mayo Clinic Minute: Is pneumonia bacterial or viral?

If you have a cold or flu, symptoms can last from days to more than a week. But if your fever, cough and feelings of being run-down persist, you may have pneumonia. The lung infection comes in a variety of strains; it can be viral or bacterial. How do you know which type you have and the best way to treat it? In this Mayo Clinic Minute, reporter Vivien Williams talks to Dr. Vandana Bhide about viral and bacterial pneumonia. More health and medical news on the Mayo Clinic News Network http://newsnetwork.mayoclinic.org/