cereus can be found widely in nature, including samples of dust, dirt, cereal crops, water, etc., so it is a common contaminant of raw agricultural commodities. In a small percentage of cases, both vomiting and diarrheal symptoms can occur if both types of toxins are produced. 2 It is the action of the toxin in the small intestine that causes diarrhea. The diarrheal toxin is released in the body after ingestion of high numbers of cells (e.g. The diarrheal illness has a mean onset time of between 6 and 15 hours, with symptoms of watery diarrhea, pain and nausea persisting for 24 hours. cereus has an onset time of 0.5 to 6 hours after consumption, with primary symptoms of vomiting and nausea and occasionally diarrhea. Two different toxins are involved in these foodborne illnesses. cereus grows in food, it can cause two different types of foodborne illness in humans – vomiting very shortly after eating contaminated food or diarrhea after a longer incubation.
coli, Campylobacter, and Listeria monocytogenes. cereus spores are more resistant to heat and chemical treatments than vegetative pathogens such as Salmonella, E. Bacillus cereus is a spore-forming bacterium that can be frequently isolated from soil and some food.
