Other
Do D: Anthrax Vaccine Immunization Program
The Department of Defense provides detailed information about anthrax, including a focus on the anthrax threat of 2001. Content includes a current "situation report," as well as information on the anthrax vaccine.
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.
CNN
Cnn: Anthrax Through the Ages
"Although it's surfacing anew as a terrorist weapon, the deadly anthrax disease has plagued the world for centuries, with reports of it dating back to biblical times." This CNN site is a time-line of Anthrax dating from 1500 B.C.
American Association for Clinical Chemistry
Lab Tests Online: Anthrax
This thorough site delves into what anthrax is, typical symptoms, tests to diagnose it, and treatment options.