Originally Posted by
FLLDL
Now just prove that your illness was caused by this meal in particular, and not what you ate earlier in the day. Or the day before. Or that is wasn't just a stomach flu. Stomach bugs such as listeria can incubate for a month or two before presenting symptoms.
Again, I don't doubt the veracity of your story but without a medical exam etc it seems unlikely you'll be able to get much more from DL.
No symptoms before the flight + eating expired meal + significant vomiting hours thereafter = proof enough.