It is most commonly caused by eating improperly prepared or stored foods. Anything that is contaminated with these bacteria and is not heated to destroy the toxins before being eaten, may cause illness.
Symptoms begin within one to three days.
They include abdominal pains, diarrhea, fever and sometimes vomiting. The very young and the elderly can become very ill with this infection. Refrigerate foods soon after purchase. Consume only pasteurized milk products. Clean all food preparation areas with a dilute solution of bleach and water, then rinse, before and after food preparation.