PUB 540 Topic 3 Assignment: Oswego Outbreak Investigation

Topic 3: Outbreak Investigation and Infectious Disease Epidemiology

Objectives:
1. Interpret an epidemic curve for an outbreak.
2. Determine criteria for an outbreak.
3. Propose control measures for an outbreak.

Resources

Public Health Surveillance and Data

Explore Public Health Surveillance and Data page of the Centers for Disease Control and Prevention (CDC) website.
https://www.cdc.gov/surveillance/

2.2 Epidemic Theory

Read “2.2 Epidemic Theory,” by Webber, from Communicable Diseases: A Global Perspective (2020), located in Credo Reference in the GCU Library.
https://lopes.idm.oclc.org/login?url=https://search.credoreference.com/content/entry/ cabicd/2_2_epidemic_theory/0?institutionId=5865

Create an Epi Curve

Read “Create and Epi Curve,” located on the Quick-Learn Lesson page of the Centers for Disease Control and Prevention (CDC) website.
https://www.cdc.gov/training/QuickLearns/CreateEpi/

Focus on Field Epidemiology: Create an Epi Curve in Microsoft Excel

Read “Focus on Field Epidemiology: Create an Epi Curve in Microsoft Excel,” by North Carolina Center for Public Health Preparedness, located on the North Carolina Institute for Public Health website.
https://nciph.sph.unc.edu/focus/vol1/issue5/1-5EpiCurves_flash.pdf

Evaluating the Effectiveness of Social Distancing Interventions to Delay or Flatten the Epidemic Curve of Coronavirus Disease

Read “Evaluating the Effectiveness of Social Distancing Interventions to Delay or Flatten the Epidemic Curve of Coronavirus Disease,” by Matrajt and Leung, from Emerging Infectious Diseases (2020).
https://lopes.idm.oclc.org/login?url=https://search.ebscohost.com/login.aspx? direct=true&db=ccm&AN=144704902&site=ehost- live&scope=site&custid=s8333196&groupid=main&profile=ehost

Control Principles and Methods

Read “Control Principles and Methods,” by Webber, from Communicable Diseases: A Global Perspective (2020),

located in Credo Reference in the GCU Library.
https://lopes.idm.oclc.org/login?url=https://search.credoreference.com/content/entry/cabicd/ control_principles_and_methods/0?institutionId=5865

Know How to Interpret an Epidemic Curve?

View “Know How to Interpret an Epidemic Curve?” by Global Health With Greg Martin (2017), located on the YouTube website.

How to Create an Epidemic Curve in an Excel Spreadsheet

Read “How to Create an Epidemic Curve in an Excel Spreadsheet,” by LaMorte, from Hepatitis in Sparta, located on the Boston University School of Public Health website.
http://sphweb.bumc.bu.edu/otlt/sparta/docs/AdviceonMakinganEpidemicCurve.htm

Epidemiology for Public Health Practice

Read Chapters 4 and 13 in Epidemiology for Public Health Practice.

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Compendium of Acute Foodborne and Waterborne Diseases

Use the “Compendium of Acute Foodborne and Waterborne Diseases,” by the Centers for Disease Control and Prevention (CDC) (2003), located on the CDC website, to assist in completing the Oswego Outbreak Case History assignment.
https://www.cdc.gov/eis/casestudies/xoswego.401.303.compendium.pdf

4.1 Investigation of an Outbreak

Read “4.1 Investigation of an Outbreak,” by Webber, from Communicable Diseases: A Global Perspective (2020), located in Credo Reference in the GCU Library.
https://lopes.idm.oclc.org/login?url=https://search.credoreference.com/content/entry/ cabicd/4_1_investigation_of_an_outbreak/0?institutionId=5865

Assessments

Oswego Outbreak Investigation
Start Date & Time Due Date & Time Points May 5, 2022, 12:00 AM May 11, 2022, 11:59 PM 120

A disease outbreak is the occurrence of cases of disease in excess of what would normally be expected in a defined community, geographical area, or season. There are many ways a microorganism can contaminate food, such as coughing and sneezing by an infected individual, through undercooked food, or inadequate handwashing. The overall purpose of epidemiology consists of causation of a disease, the source, mode of transmission, individuals at risk of developing the disease, and what exposures(s) predispose to the disease.

Part I

Prior to starting this assignment, complete the following:
1. Watch “Know How to Interpret an Epidemic Curve?” video, located in the topic Resources.
2. Read the “Oswego Outbreak Investigation,” located in the topic Resources.
3. Complete the “Outbreak Investigation: Steps of an Investigation” form.
Part II

In a 750-1,000-word paper, evaluate the situation and present your findings. Include the following:
1. In reference to the “Oswego Outbreak Investigation,” review the epidemic curve that describes the time of onset of illness. What does this curve tell you regarding the average incubation period, source, and transmission?
2. Using the incubation range and clinical symptoms, identify potential infectious agents that could be responsible for the outbreak (refer to “Compendium of Acute Foodborne and Waterborne Diseases,” located in the topic Resources). Provide an explanation for your findings.
3. Why is this considered an outbreak? Discuss the criteria for why it is considered an outbreak.
4. Describe the steps required to investigate an outbreak and apply each step to the Oswego event. Include the relevant information needed for each step to be successful.
5. Discuss the possible routes of transmission for the expected agent.
6. Based on this information, what control measures would you recommend? State a control measure for each prevention level: primary, secondary, and tertiary prevention.
7. Attach the completed “Outbreak Investigation: Steps of an Investigation” form as an appendix in your paper.
You are required to cite to a minimum of three sources to complete this assignment. Sources must be published within the last 5 years and appropriate for the assignment criteria and public health content.

Description

Read the “Oswego Outbreak Investigation,” located in the Topic Materials.

Part 1

Complete the following:

Using the line listing in the Excel “Oswego Line Listing Workbook,” calculate the attack rate ratios for each food item using the table in the Excel “Oswego Attack Rate Table.” Create a separate 2×2 table for the food item you think is responsible for the outbreak and interpret the attack rate ratio for this food item. Refer to the “Creating a 2×2 Contingency Table” resource for guidance.

Using the line listing in Excel “Oswego Line Listing Workbook,” construct an epidemic curve by the time of onset of illness. What does this curve tell you regarding the average incubation period, source, and transmission?

Using the incubation range and clinical symptoms, identify potential infectious agents that could be responsible for the outbreak (refer to the Topic Material, “Compendium of Acute Foodborne and Waterborne Diseases”). Discuss your rationale.

Discussion 2

In a 500-750 word paper, evaluate the situation and present your findings. Including the following:

Does this case meet the definition of an “outbreak?” Why or why not?
Identify the steps required to investigate an outbreak. How did these steps help in investigating the Oswego event? Include the relevant information needed for each step to be successful.
Discuss the possible routes of transmission for the expected agent.

Based on this information, what control measures would you recommend? State whether they are primary, secondary, or tertiary prevention strategies.

While APA style is not required for the body of this assignment, solid academic writing is expected, and documentation of sources should be presented using APA formatting guidelines, which can be found in the APA Style Guide, located in the Student Success Center.

PLEASE make sure APA citation and permalink for articles are complete and correct.
PLEASE add the links/sites below to the reference list if you use any of these readings and make sure everything is in proper APA format.
Read Chapters 3-5 and 18 in Gordis Epidemiology.

Use the “Compendium of Acute Foodborne and Waterborne Diseases,” located on the Centers for Disease Control and Prevention (CDC) website, to assist in completing the Oswego Outbreak Case History assignment.be website.

View “Know How to Interpret an Epidemic Curve?” by Martin (2017), located on the YouTube website.

Read “Two by Two Tables,” by Sullivan, Dean, and Pezzullo, from OpenEpi: Open Source Epidemiologic Statistics for Public Health (2013), located on the OpenEpi website.

Read “Goodness of Measurement: Reliability and Validity,” by Bajpai and Bajpai, from International Journal of Medical Science and Public Health (2014).

Read “CDC 24-7 Fact of the Week,” located on the Centers for Disease Control and Prevention (CDC) website.

Prepare this Oswego Outbreak Investigation assignment according to the guidelines found in the APA Style Guide, located in the Student Success Center.

You are required to submit this assignment to LopesWrite. A link to the LopesWrite technical support articles is located in Class Resources if you need assistance.

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PUB 540 Topic 3 Assignment: Oswego Outbreak Investigation