Seasonal cause of sickness (3)
I believe the answer is:
flu
(Other definitions for flu that I've seen before include "Minor ailment" , "Swine --; gastric --" , "Winter ailment" , "Common annual illness" , "Influenza, in short" .)
I believe the answer is:
flu
(Other definitions for flu that I've seen before include "Minor ailment" , "Swine --; gastric --" , "Winter ailment" , "Common annual illness" , "Influenza, in short" .)