Bacillus anthracis
Bacillus anthracis, a bacterium that causes anthrax.
anthrax, acute, infectious, febrile disease of animals and humans caused by Bacillus anthracis, a bacterium that under certain conditions forms highly resistant spores capable of persisting and retaining their virulence for many years. Although anthrax most commonly affects grazing animals, such as cattle, sheep, goats, horses, and mules, humans can develop the disease by consuming contaminated meat or handling materials from infected animals, including wool, hair, hides, bones, or carcasses. When anthrax—its name derived from...