Occurrence: in soil and dust, can contaminate food. Outbreaks caused by meat stews, poached fish and steaks.
Incubation time: 6‒24 hours.
Symptoms: abdominal pain, nausea, severe diarrhea. There have been deaths in weakened people.
Causes of outbreaks: slow cooling of food that is not consumed quickly enough.
Prevention: rapid cooling, proper storage, properly heating before serving.