Both of our stories about the swine flu outbreak point out that there’s no reason to panic. But, if you can’t stop thinking about fighting the flu, knowledge is your best weapon. Here are some helpful sites.First, you can learn how to track the flu.Then you can get updates from NPR’s flu blog.And finally, rejoice that we have experts in the field locally. Check out Ronald Atlas, Co-Director of the Center for Health Hazards Preparedness at the University of Louisville in this video from the Aspen Institute.As a bonus, here's a TED Talk from Steven Johnson. He literally wrote the book on epidemics. (A book, anyway)