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.