WHO (2014). Infectious Diseases. Retrieved on 4/11/14 from http://www.who.int/topics/infectious_diseases/en/

WHO (2014). Vector-borne diseases. Retrieved on 4/11/14 from http://www.who.int/heli/risks/vectors/vector/en/

Healthline (2014). Disease Transmission. Retrieved on 4/11/14 from http://www.healthline.com/health/disease-transmission

About John Snow (2014). Retrieved on 4/11/14 from http://johnsnowbicentenary.lshtm.ac.uk/about-john-snow/

John Snow and the Broad Street Pump (2014). Cricket 31(3), pp. 23-31, Nov. 2003. Retrieved on 4/11/14 from http://www.ph.ucla.edu/epi/snow/snowcricketarticle.html

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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.

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