Epidemiology
-Distributed worldwide -Not common in Western countries
-Common in Africa, Southeast Asia, China, South America, Turkey, Pakistan & India
-Human to human or animal to animal transmission is rare (not contagious)
-Grazing animals become infected through ingestion of spores in soil (Carcasses become source)
-Epidemic A: Spread to contiguous areas via infected animal
-Epidemic B: Non-contiguous geographic areas by biting flies, vultures & contaminated surface water