OAK LAWN, Ill. — Health officials are investigating four cases of Legionnaires' disease linked to Advocate Christ Medical Center in Oak Lawn.
The Illinois Department of Public Health said of the four people, two were patients within the past two months.
Officials are working with the hospital to collect information and they'll also conduct an on-site visit this week to test the facility's water.
Legionnaires is spread through drops of water and can cause a serious lung infection.
The investigation is limited to this hospital.
The hospital issued the following statement:
Our top priority is to provide the safest and highest quality care for the patients and communities we serve, and we are working closely with the Illinois Department of Public Health on its review. Our facility is safe for our patients, visitors and team members.