The McHenry County Department of Health in Illinois is reporting a significant increase in infections from Campylobacter.
Health officials have identified eight cases of campylobacteriosis with illness onsets between Aug. 17 and Aug. 30. That is four times more cases compared to the previous two weeks and 3.33 times more cases in August compared to July.
“No common source of infection has been identified at this time,” according to the health department.
Campylobacter bacteria is the most common cause of bacterial diarrhea in the United States, according to the county health officials. People can become ill with campylobacteriosis by eating contaminated food, drinking contaminated water or having contact with infected animals.