The right option is c. usually is caused by consuming improperly home-canned food.
Botulism is a severe food borne illness caused by the bacteria clostridium botulinum. This illness is caused by eating foods contaminated with the bacteria or its toxin. Â Ingestion of foods that are not canned properly at home is the major cause. Symptoms of botulism generally appear 12 to 72 hours after eating contaminated food.