Seasonal vaccine target (3)
I believe the answer is:
flu
(Other definitions for flu that I've seen before include "Viral infection (colloq.)" , "Common annual illness" , "Winter ailment" , "Common disease" , "Common ailment" .)
I believe the answer is:
flu
(Other definitions for flu that I've seen before include "Viral infection (colloq.)" , "Common annual illness" , "Winter ailment" , "Common disease" , "Common ailment" .)