Four illnesses are filling Minnesota hospitals, and health leaders are warning you that Minnesota is dealing with a "quad-demic." This year, Minnesota has nearly reached 1,800 hospitalized influenza cases this season.

Weekly reports of COVID-19 and influenza show rising activity, but it’s the combination of multiple infectious diseases at once that’s causing problems.

Across the nation, the healthcare system is taking a beating as the "quad-demic" continues to strain resources and slow down patient care. WCCO's Frankie McLister shows us how Minnesota hospitals are being affected.

This fall saw an unusually high number of cases of “walking” or mycoplasma pneumonia, a mild pneumonia that typically causes a severe cough but less fatigue than more serious forms of the disease.