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BHS210 – M1S-Epidemiologic Triad/Salmonella – 2 pages
According to the epidemiologic triad, there are three factors that influence the occurrence of disease:
• Etiologic agent
• Host factors
• Environmental factors
Describe each of these factors for a Salmonella foodborne outbreak. What are some of the host factors that can influence the occurrence of a disease?
Be sure to support your essay with evidence from the literature.
Centers for Disease Control and Prevention (CDC). (2012). Lesson one: Introduction to epidemiology. Principles of epidemiology in public health practice (pp. 1-1:1-20). U.S. Department of Health and Human Services, Office of Workforce and Career Development. https://www.cdc.gov/csels/dsepd/ss1978/lesson1/section6.html
Begum, F. (2016). Mapping disease: John Snow and Cholera. https://www.rcseng.ac.uk/library-and-publications/library/blog/mapping-disease-john-snow-and-cholera/
Lippi, D., Gotuzzo, E., & Caini, S. (2016). Cholera. Microbiology Spectrum, 4(4), PoH-0012-2015. doi:10.1128/microbiolspec.PoH-0012-2015. Available in the Trident Online Library.
World Health Organization (WHO). (2020). Infectious diseases. https://www.who.int/topics/infectious_diseases/en/
World Health Organization (WHO). (2020). Vector-borne diseases. https://www.who.int/heli/risks/vectors/vector/en/
Centers for Disease Control and Prevention (CDC). (2020). Salmonellosis. [Technical information]. Retrieved from https://www.cdc.gov/salmonella/
Materials Used in This Module
Centers for Disease Control and Prevention. (2018). E-learning course – Introduction to epidemiology. Accessed from https://www.cdc.gov/publichealth101/e-learning/epidemiology/