Townsville Public Health Unit is responding to a shigella outbreak at Richmond State School where there have been 12 confirmed cases.
Shigella infection is a serious form of gastroenteritis caused by a bacterium that attacks the intestines leading to diarrhea, abdominal pain or cramps and fever.
The illness is spread if you accidentally swallow the bacteria that is found in faeces, usually through not washing your hands properly after going to the toilet or changing diapers.
Townsville Public Health Unit physician, Dr Julie Mudd said additional cleaning was being undertaken at Richmond School today as it is closed for a public holiday.
Of the 12 cases, one was brought to Townsville University Hospital as a precaution and has since been discharged. The remaining 11 cases are recovering in the community.