Anthrax infections (bacillus anthracis bacteria) are classified as infecting the:

Anthrax infections (Bacillus anthracis bacteria) are classified as infecting all of the above. Bacillus anthracis the Etiologic Agent (E. A.) or causative agent that is responsible for Anthrax. Symptoms start between one day and two months after the infection is contracted it forms in the skin from small blisters and the swelling is all around and it is a painless blisters.