06 May 2009: Swine Flu

Join us LIVE at 1800 UTC. As public health officials around the world work to stop the spread of the H1N1 flu virus, known as swine flu, we talk with a leading infectious disease specialist about critical efforts by virologists to understand this complex virus. We meet Trish Perl, chief epidemiologist at Johns Hopkins University Hospital in Maryland. She is actively involved with research aimed at helping fight public health threats including the H1N1 flu virus