There are many that affect the COVID condition. Three of note:
Though severe coronavirus cases have been reported among younger and middle-aged adults, doctors say older adults, the elderly and those with chronic health conditions seem to be most at risk for the sudden decline.
Denson said nearly all of his most critically ill patients have a combination of three specific underlying medical problems: obesity, high blood pressure and type 2 diabetes.
Not good news for 40% of Americans.