Target of an annual vax (3)
I believe the answer is:
flu
(Other definitions for flu that I've seen before include "Common disease" , "Viral infection (colloq.)" , "In brief, winter illness" , "Swine --; gastric --" , "Influenza, in short" .)
I believe the answer is:
flu
(Other definitions for flu that I've seen before include "Common disease" , "Viral infection (colloq.)" , "In brief, winter illness" , "Swine --; gastric --" , "Influenza, in short" .)