Get fast results for COVID-19, flu, and strep throat at Marpeh Urgent Care in Niles. No appointment needed — accurate testing in minutes.
COVID-19 in Illinois: What You Need to Know in September 2025
As of September 2025, Illinois continues to experience a “silent wave” of COVID-19, with high viral activity across the state. The dominant strain remains the XFG “Stratus” variant, part of the Omicron family, known for its high transmissibility and immune escape.