Epidemiology of Infectious Disease

After completing your analysis of the results, you are preparing to discuss with the school principal how the outbreak occurred and some recommendations for preventing further transmission of Salmonella. 

Your task

Identify the following:

Mode of transmission for Salmonella

Possible reservoirs for this Salmonella outbreak

Discuss possible ways the food may have become contaminated and how the agent was able to increase in numbers high enough to cause an infection.

Make a list of recommendations for preventing further spread of this outbreak and similar outbreaks from occurring in the future.



Assignment Expectations, in order to earn full credit:

Please write your paper in your own words. That is the only way I can evaluate your level of understanding. Quotes are rarely needed; if necessary, they should comprise less than 10% of a paper and must be properly cited.

Even though the papers must be written in your own words, you are required to cite sources for any statement of fact or idea that is not common knowledge. You must cite the sources within the body of the paper and include a reference list at the end of the paper.

Note: Wikipedia is not an acceptable source of information. Use credible, professional, and scholarly sources such as journal articles from ProQuest or EBSCO, and government, university, or nonprofit organizations’ Web sites.

You must clearly show that you have read the module homepage and the required background materials. You are welcome to do research in addition to — but not instead of — the required readings.


Required Readings:


U.S. Food & Drug Administration, Center for Food Safety & Applied Nutrition (n.d.) Bad Bug Book. Retrieved February 21, 2013 from http://www.fda.gov/Food/FoodSafety/FoodborneIllness/FoodborneIllnessFoodbornePathogensNaturalToxins/BadBugBook/default.htm

FAO. Epidemiology: some basic concepts and definitions. Retrieved February 21, 2013 from http://www.fao.org/wairdocs/ILRI/x5436E/x5436e04.htm

Centers for Disease Control and Prevention (2004). How to Investigate an Outbreak. Retrieved February 21, 2013 from http://www.cdc.gov/excite/classroom/outbreak/steps.htm

Aschengrau A, Seage GR (2003). Chapter 6: Overview of Epidemiologic Study Designs. Essentials of Epidemiology in Public Health, Boston: Jones & Bartlett Publishers. Retrieved February 21, 2013 at: http://publichealth.jbpub.com/aschengrau/Aschengrau06.pdf

Cosio G (2005). Epidemiological Overview of Tuberculosis [Presentation]. Retrieved February 21, 2013 from www.paho.org/cdmedia/dpccd01/Presentations/Day1/EPIDEMIOLOGICAL%20OVERVIEW%20OF%20TUBERCULOSIS%202.ppt

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