harmful, food-poisoning causing bacteria are called
Foods Most Associated with Food Poisoning. Harmful bacteria are the most common cause of food-borne illnesses, with symptoms ranging from upset stomach to fever and severe vomiting.. Coli. E. coli is one of the leading causes of food poisoning. While most E. coli infections are caused by eating undercooked ground beef, bean sprouts and leafy vegetables can also carry the bacteria.