Top: Health: Conditions and Diseases: Foodborne Illnesses
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Food and water can be a source of infectious agents that cause illnesses, particularly in underdeveloped or developing countries. Some diseases require ingestion for transmission, while others simply require physical contact. Some disease-causing bacteria are transmitted exclusively between humans while others pass through an animal or arthropod intermediate. In the case of foodborne illnesses where humans are the primary hosts, the modes of transmission may be through unsanitary conditions that permit fecal, urine, or salivary contamination of food or water. Foodborne illnesses can also arise in the absence of organisms, such as in the presence of pre-formed toxins, chemical contaminants, or food-related allergens.
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