<prompt> An abattoir worker presented with a malignant pustule on his hand that progressed to form an ulcer. The smear was taken from the ulcer and sent to a laboratory for investigation. The diagnosis is:Cutaneous anthraxCarbuncleUlcerating melanomaInfected rodent ulcer  <response>: Anthrax is a zoonoses, caused by Bacillus anthracis Q, that occurs primarily in herbivores Routes of Infection: Humans become infected when B.anthracis spores are introduced into the body by the following routes:Contact with infected animals or contaminated animal products QInsect bites QIngestion QInhalation QThree major clinical forms in Humans:Cutaneous Q MC Gastrointestinal rare Inhalational or pulmonary it causes hemorrhagic pneumonia 