### Clue: Schedule time to get to grips with one source of food poisoning (8)
### Answer: LISTERIA 
 ### Explanation: Definition: source of food poisoning
 LIST(a written or printed number of items in some sort of order/a schedule) + ERA(a long period of time) **containing**(to get to grips with) I(Roman numeral for "one").
Defn: A kind of bacterium.