Project #36298 - Assignment

For question 1, answer should be 3 paragraphs each (15-20 sentences).

1. What are your thoughts on the controversy over "chronic" Lyme disease as presented in the Feder article. Please stick to scientific arguments, rather than emotional ones, and consider the case definition of Lyme Disease as you do.

For questions 2, answer the following three parts.

2. Case definitions are a key piece of any disease investigation, yet epidemiologists typically learn to do write them through trial and error. As a result, most case definitions have significant limitations and unintended consequences. Each year at the Council of State and Territorial Epidemiologists (CSTE) annual conference, epidemiologists spend days arguing over the semantics of case definitions, and many times the debates get quite heated. In the end, we still have case definitions that are not perfect, and we often come back to them every couple of years to make revisions. 

The purpose of this is to teach you how to write a case definition using something that everyone knows: a sandwich. I'm sure you are thinking "Huh? Everyone knows what a sandwich is." Know what it is and actually writing it down are very different things, and through this exercise, you will begin to understand the complexity of the process of writing case definitions.

Case definitions are created for a specific purpose. In this case, you are the head of a committee to nominate sandwiches for the sandwich hall of fame. People are submitting all sorts of things to you, and you need an objective way to decide what makes the cut for consideration.

a. There are three parts to exercise. First, I want you to post your initial case definition. The purpose of the case definition is to allow another person, using your definition, to determine if a certain food is a sandwich or not. Be explicit, as they can't read your intentions (nor should they have to). Your case definition should complete the sentence "A sandwich is defined as..."

b. Once you have done this, go through the PowerPoint slide set in Module 2, then discuss your thoughts on your case definition (or anything related to the PowerPoint) in here.

c. Revise your case definition, and post it to the discussion board. In all, you will post your initial definition and two revisions.

For questions 3-6, answers should be 3 paragraphs each (15-20 sentences).

3. Disease surveillance in the United States is typically based on reports from laboratories and from medical providers. There are many reasons that cases do not make it into surveillance systems. What reasons do you think there are? Are certain types of cases, diseases, or patients more likely to be reported? What would the effect of these biases be?

4. How would you design a surveillance system to look for human cases of highly-pathogenic avian influenza? What data sources would you use, and how would the data be reported to you? Provide specific examples of how this data would be provided.

 

5. Physician reporting has traditionally been less than stellar. How would you improve disease reporting from medical providers?

 

6. What are your thoughts on syndromic surveillance? Do you think it is worth the investment? Does it work? In which situation do you think it would work best?

 

Subject Science
Due By (Pacific Time) 07/26/2014 12:00 am
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