McNadoMD's Post

2/4
For people with lung disease like asthma or COPD, the inflammation from flu can cause lethal trapping of carbon dioxide as well as low oxygen levels. For folks who require dialysis, being too sick to go for a few days can cause fatal potassium levels. Patients with severe heart failure at baseline can’t keep up with the demand on their heart from running a fever and having bronchitis, and build up fluid in their lungs.

So you see, even a pretty mild strain of flu can quickly fill hospitals