Over the next five years, the CDC is investing more than $2 billion to prepare itself, developing countries and state and local health departments to be able to respond to health emergencies.
Since the 1950s, Art Rosenbaum has traveled all over the U.S. recording endangered music -- from Appalachian banjo players to Mexican farm workers. Philip Graitcer went with Rosenbaum on a recent recording trip in northern Georgia.