Serotypes of Clostridium Botulinum
| Commonly causes botulism in humans, more toxic than type B | |
| Found in most soils, less toxic to human | |
| Causes botulism in fowls, milk, and other animalsbut not in humans | |
| Associated with forage poisioning of cattle | |
| Toxic to man, reported from fish and fish products | |
| Toxin simillar to A and B, produces human botulism | |
| found in soil, not implicated in human botulism |





