Food contamination and inadequate cooking is the possible reason for Ben’s food borne illness. The food he prepare might contain harmful microbes called pathogens that grow in the human intestinal tract after the food is eaten. Pathogens might be a bacteria, parasites, viruses, protozoa and fungi.
Moreover, no matter how clean our kitchen and how careful we thawed and wash the food, we cannot guarantee that it is pathogen-free for microbes cannot be seen with our naked eye but just with the help of a microscope.