There are three most common etiologies responsible for food poisoning. First is <em>Staphylococcus aureus</em>, although the bacteria itself is not responsible for food poisoning, staphylococcal toxins deposited in the food can be responsible for gastrointestinal disturbances. Second is <em>Escherichia coli</em> and this is commonly from fecal contamination of the food since <em>E. coli</em> is commonly found in the gastrointestinal tract. Lastly is <em>Salmonella typhi</em> which can cause typhoid fever and this is commonly acquired through eating contaminated foods.