Case 2 Epidemiology

Question Description


Twenty-five children in Fallsburg Elementary School (with a population of 60 pupils) received their immunization against whooping cough to protect the school’s student population. In your role as health officer, you collected the documentation from parents on the first day of school. You found that 25 students had received their immunization against the disease. You have been asked to explain some basic epidemiologic concepts to the parents who did not have their children immunized.

You have been tasked to do the following:

  1. Define the term population at risk and indicate which of the elementary students are not at risk.
  2. Also describe the difference between incidence and prevalence.

Be sure to justify your response with evidence from the literature.


Length: 3 pages, excluding title page and references from required Reading.

File format: Your work should be prepared using Microsoft Word, PowerPoint, or Excel, depending upon the assignment instructions. For assignments requiring video or voice recordings, use media formats that are supported by MyTLC Courses as noted in our Trident Support page.

In-text citations and references: All information and ideas in your papers should be supported by in-text citations and corresponding references at the end of the paper.

Scholarly sources: At least two scholarly sources should be included in your papers. Online sources must be limited to credible professional and scholarly publications such as peer-reviewed journal articles, e-books, or specific webpages on websites from a university, government, or nonprofit organization (these have extensions .edu, .gov, or .org). Presenting consumer sources such as e-magazines, newspapers, Wikipedia, WebMD, or other commercial websites (these have extensions .com) as references is not appropriate.

Scholarly writing: Use an academic paper format, not an essay based on your opinions or experience. Avoid using the first person in writing. Synthesize what you learned from the sources you read; write papers in your own words; and cite sources within the text, as well as include a properly formatted reference list.

Use of direct quotes: Use of direct quotes should be avoided. Only use direct quotes when preserving the exact words of an author is necessary. In the rare instance that directly quoted material is used, it must be properly cited (with quotation marks and page numbers in the in-text citation); quotes should not exceed 5-10% of the total paper content.

Required Reading:

Centers for Disease Control and Prevention (CDC). (2016, February 25). Ten leading causes of death and injury 2014. Accessed from…

Gerstman, B. (2013). Chapter 3: Epidemiologic measures. Epidemiology kept simple (3rd ed). Oxford: John Wiley & Sons. San Jose State University. Retrieved from…

MedicineNet, Inc. (2016). Definition of mortality rate. Retrieved from…

New York Department of Health. (n.d.). Basic statistics: About incidence, prevalence, morbidity, and mortality. Retrieved from

Niles, R. (2015). Statistics every writer should know. Retrieved from



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