Pneumonia is a major problem with coronavirus
What is Pneumonia and How can I recognize it?
pneu·mo·nia /n(y)o͞oˈmōnyə/ noun
Lung inflammation caused by bacterial or viral infection, in which the air sacs fill with pus and may become solid. Inflammation may affect both lungs ( double pneumonia ), one lung ( single pneumonia ), or only certain lobes ( lobar pneumonia ).
From Cleveland Clinic:
Did you know that you can check your own symptoms?
CDC CORONAVIRUS SELF-CHECKER