Immunization (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">immunization</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for shot that I've seen before include "Small drink; (rocket) launch" , "Fired or filmed" , "[FILM]" , "completely gone" , "Fired - attempt" .)