Seasonal virus (3)
I believe the answer is:
flu
(Other definitions for flu that I've seen before include "Influenza, in short" , "Winter disease, awfully avian" , "Common ailment" , "Common infection" , "Winter ailment" .)
I believe the answer is:
flu
(Other definitions for flu that I've seen before include "Influenza, in short" , "Winter disease, awfully avian" , "Common ailment" , "Common infection" , "Winter ailment" .)