Bacillus cereus

Bacillus cereus food-borne infection/intoxication (Bacillus cereus)

Clinical criteria
Any person with at least one of the following two conditions:
- sudden onset of nausea AND vomiting
- abdominal cramps AND diarrhoea

Laboratory criteria
At least one of the following two:
- Isolation of ≥105 B. cereus organisms per gram or direct detection of B. cereus enterotoxin from epidemiologically implicated food in the setting of a person or persons with diarrhoea or vomiting
- Isolation of the organism from the stools of two or more ill persons but not from the stools of controls, in an outbreak situation

Epidemiological criteria
An epidemiological link by exposure to a common source

Case classification
A. Possible case
B. Probable case
Any person meeting the clinical criteria and with an epidemiological link
C. Confirmed case
Any person meeting the clinical and the laboratory criteria

Current as of: 22 January 2019