11:709:255 Chapter Notes - Chapter 2: Pathogenic Bacteria, Respiratory Tract, Norovirus
5 Feb 2020
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Document Summary
Pathogen: a disease-causing microorganism such as 1) viruses, 2) bacteria, 3) fungi, 4) parasites. Infection: illness resulting from live disease-causing pathogenic microorganisms (viruses and protozoa reproduce in food) Intoxication: illness caused by eating toxins produced by microorganisms. Communicable disease: transmitted from person to person: direct vs indirect means. Intestinal tract: saliva, respiratory tract, open cuts or sores. Pathogens that are highly contagious and can cause severe illness: shigella spp, salmonella typhi, nontyphoidal salmonella (nts, shiga toxin-producing escherichia coli (stec, hepatitis a, norovirus. Detection: cannot be seen, smelled or tasted. Growth: will grow rapidly if fat tom conditions are correct. Pathogenic bacteria: disease-causing microorganisms that can make people ill when consumed with food: some produce spores: resistant to heat, found in soil, some produce toxins: poisons. Illness: bacillus cereus gastroenteritis (diarrhea illness: commonly linked foods, cooked vegetables, meat products, milk = may cause watery diarrhea, cooked rice dishes = may cause n/v.
