[Signs/Symptoms] Chest discomfort; cough [Flu] Common; can be severe [Cold] 
Mild to moderate; hacking cough
U s u a l
C o m m o n
S o m e t i m e s
M i l d t o m o d e r a t e ; h a c k i n g c o u g h
S l i g h t
R a r e
N e v e r