H1N1 Sample
SHAW AIR FORCE BASE, S.C. -- Staff Sgts. Kelly Gills, right, and Crystal Watson, 20th Medical Operations Squadron personnel, demonstrate how a saline wash is used to collect a mucous sample for the H1N1 influenza virus. The specimen will be used for a culture sample and rapid testing. (U.S. Air Force photo/Senior Airman Kathrine McDowell)(RELEASED)