A group of viruses contracted when contaminated shellfish is eaten raw or partially cooked. Also, spread by infected people who prepare food when they are ill with these viruses. Cook shellfish thoroughly. Practice good personal hygiene and handle food in sanitary manner. 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.