Do not prepare or serve food when ill with diarrhea or vomiting. Many foods are susceptible to a wide variety of molds. When it occurs, mycotoxicosis is usually traced back to beans, peanuts, corn, and other grains that have been stored in warm moist places. Discard contaminated food and clean container or storage area. About protozoa Protozoa exist in the intestinal tract of humans and are expelled in feces.
Chief sources are untreated water and foods that require much handling.
Symptoms include diarrhea, abdominal pain, nervousness, loss of weight, and fatigue. Anemia may also be present. Illness can be prevented by sanitary handling of foods, avoidance of raw fruits and vegetables in areas where the protozoa are common, and proper sewage disposal. About parasites Organisms that depend on nutrients from a living host to complete their life cycle are called parasites. Trichinosis and Toxoplasmosis are two human diseases caused by parasites.