11. Anthrax is caused by spore-forming bacteria called Bacillus anthracis . 12. The bacterium Bacillus anthracis is transmitted to humans through wool, meat, and other animal products. 13. Bacillus anthracis is a bacterium found in the soil.14. Endospores of the bacterium " Bacillus anthracis " were used in the 2001 anthrax attacks. 15. Anthax is caused by the rod-shaped bacterium Bacillus anthracis . 16. Scientists already knew that anthrax toxin, secreted by the bacteria Bacillus anthracis , has three parts. 17. Bacillus anthracis , the anthrax bacteria, is Gram positive.18. Bacillus anthracis , the naturally occurring, spore-forming bacterium that causes the anthrax disease, most commonly affects livestock.19. Anthrax comes from a bacterium called Bacillus anthracis . 20. By Thursday morning, subsequent tests by state and federal labs confirmed the bacteria was Bacillus anthracis .