Health officials investigating the cases have been unable to track the illness to any particular food source, said Illinois Department of Public Health spokeswoman Melaney Arnold.
Health officials believe they know what led to a widespread sickness inside the prison, which holds more than 3,000 inmates.
An ill Chicago resident is the first person in Illinois to be linked to the fungal meningitis outbreak.
Two guests who contracted Legionnaires’ disease at the downtown JW Marriott are dead, and the outbreak is worse than first reported, city health officials said Monday.
An outbreak of norovirus, which raced through a suburban school last week, appears to be subsiding.
This week has brought more reports of whooping cough in McHenry County, and the numbers have reached the three-figure range.
An outbreak of whooping cough in McHenry County’s school system has now spread to the general public, according to the health department.
The deadliest e. coli outbreak in modern history, centered in Germany, has now killed 23 people and sickened more than 2,200 – including four in the United States.
Health officials are warning the public about an outbreak of intestinal illness in several suburban schools.