No food is immune to causing food poisoning.

is incorrect. Soda cans and all other beverages will never cause food poisoning. Furthermore items with a displayed condition of 75% or above will also never cause food poisoning. There are also several items that are completely safe until their condition goes below 20%. These items are: beef jerky, pork and beans, condensed milk, salty crackers, dog food, energy bars, MREs, pinnacle peaches and tomato soup.