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Epidemiologic triad


Question Description

Assignment:

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?

Expectations:

Be sure to support your essay with evidence from the literature.

Length: 2–3 pages, excluding title page and references. 3 cited sources from required reading!

Required Reading:

BBC History (2014). John Snow (1813 – 1858). Retrieved from http://www.bbc.co.uk/history/historic_figures/snow…

Centers for Disease Control and Prevention (CDC). (2012). Lesson one: Introduction to epidemiology. Principles of epidemiology in public health practice (3rd ed.), pp. 1-1-21.

U.S. Department of Health and Human Services, Office of Workforce and Career Development, Atlanta, GA. http://www.cdc.gov/ophss/csels/dsepd/ss1978/lesson…

Healthline. (2016). Disease transmission. Retrieved from http://www.healthline.com/health/disease-transmiss…

London School of Hygiene & Tropical Medicine. (2016). About John Snow. Retrieved from http://johnsnowbicentenary.lshtm.ac.uk/about-john-…

Tuthill, K. (2003, November). John Snow and the broad street pump. Cricket 31(3), pp. 23-31. Retrieved from http://www.ph.ucla.edu/epi/snow/snowcricketarticle…

World Health Organization (WHO). (2016). Infectious diseases. Retrieved from http://www.who.int/topics/infectious_diseases/en/

World Health Organization (WHO). (2016). Vector-borne diseases. Retrieved from http://www.who.int/heli/risks/vectors/vector/en/

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