Food poisoning bacterium (10)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">food poisoning bacterium</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for salmonella that I've seen before include "Food poisoning bacterium" , "Bacteria causing food poisoning" , "stomach trouble" , "Nasty bug" , "Bacteria associated with food poisoning" .)
(Other definitions for listeria that I've seen before include "Hazard in badly kept food" , "Possible source of infection" , "Common pathogenic bacterium" , "disease" , "Is it real? (anag) -- kind of food poisoning" .)