WebMD
Web Md: Anthrax
This site offers the answers to many frequently asked questions about anthrax, including what the disease is, who gets it, how it is transmitted, what the symptoms are, what the treatment is, and more.
Centers for Disease Control and Prevention
Centers for Disease Control: Anthrax: Basic Information
An easy to follow FAQ sheet on anthrax as a disease and a weapon. Lots of good background and a good place to start a study of Anthrax.