Dr. Jon LaPook discusses the level of concern Americans should have about the swine flu outbreak in the U.S. Flu experts Dr. Peter Gross and Dr. Jennifer Ashton join to address symptoms and prevention.
Swine Flu: Symptoms, Prevention
Dr. Jon LaPook discusses the level of concern Americans should have about the swine flu outbreak in the U.S. Flu experts Dr. Peter Gross and Dr. Jennifer Ashton join to address symptoms and prevention....