A Century After 1918 Flu, A Virus that Still Surprises

This month marks the centennial of the first case of one of the world's deadliest flu outbreaks, which was reported on a Kansas army base. It is estimated that the 1918 flu infected 500 million people around the world and killed 50-100 million. With the 100th anniversary, we sat down with graduate student Spencer Fox, who studies the flu virus and flu pandemics.