Anthrax is a zoonotic disease (a disease shared between animals and humans). In humans, anthrax is rarely reported. Untreated anthrax is often fatal, especially the respiratory type of anthrax infection.
Anthrax in humans is easily treated with appropriate antibiotics. Under natural conditions cattle and sheep are highly susceptible. Horses, goats, and humans occupy are moderately susceptible. Anthrax has been reported in pigs, carnivores, and poultry, however they are highly resistant to B. anthracis infection. Other birds, reptiles, and fish are not susceptible to B. anthracis infection under natural conditions.