types food contamination
Salmonella. Salmonella bacteria (there are many types) are another major cause of food poisoning in the United States. The most commonly contaminated foods are raw meat (including chicken), raw or undercooked eggs, and unpasteurized milk.Fortunately, salmonella are killed when the food is cooked thoroughly. Symptoms caused by salmonella poisoning start sixteen to forty-eight hours after eating, and may last two to seven days.rticle Body. Food poisoning occurs after eating food contaminated by bacteria. The symptoms of food poisoning are basically the same as those of stomach flu: abdominal cramps, nausea, vomiting, diarrhea, and fever.