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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.
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.