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MERLOT II


    

Learning Exercise


Material: Bad Bug Book
Submitted by: Sheri Kahnke on Dec 05, 2003
Date Last Modified: Dec 05, 2003
Title: Defining Foodborne Pathogens
Description: Students will perform a content reading lesson and fill out a worksheet pertaining to the "Bad Bug Book."
Type of Task: Supplemental activity
Time Required 60 minutes
Topics: Foodborne Pathogens
Course: Microbiology
Audience: High School
Categories:
Learning Objectives: Students will be able to read and comprehend the nature of various foodborne pathogens.
Technical Notes: This can be utilized in or out of the classroom. Students could also do the homework in groups.
Text of Learning Exercise: Content Reading Lesson ? Bad Bug Book
Objective ? SWBAT determine the source, symptoms, associated foods, frequency,
target population, and occurrence of outbreaks related to a variety of foodborne
pathogens and toxins.

Pre-Reading (in class)
We have been studying a unit on types of bacteria. Ask the students if all
bacteria are harmful. (No) What is a general name for disease causing agent?
(Pathogen) We have already discussed that there are a variety of ways that food
can make us sick.
Context ? Have you ever gotten food poisoning or known someone who has? Imagine
some of your symptoms.

During-Reading (homework)
1. Go to the link http://vm.cfsan.fda.gov/~mow/intro.html

2. Choose and click on an example of a pathogen or toxin under each of the
following categories: Pathogenic bacteria, EEC, Parasitic protozoa and worms,
Rotavirus, Natural toxins.

3. Read about your examples and fill out the accompanying worksheet.


Post-Reading (in class)

1. In class, go over the ?more information needed? section of the student?s
worksheets.

2. Place the students in groups, have the groups talk about their examples and
define each category in their own words.

3. Have each group prepare a power point presentation about precautionary
measures that can be taken to eliminate various types of foodborne illness.






Bad Bug Book Assignment

Directions:
1. Go to the link http://vm.cfsan.fda.gov/~mow/intro.html
2. Choose and click on an example of a pathogen or toxin under each of the
following categories: Pathogenic bacteria, EEC, Parasitic protozoa and worms,
Rotavirus, Natural toxins.
3. Fill in the following information for each of your examples. You will need
to complete the following information for five separate examples. If you don?t
understand a section of the example, record your question under the section ?I
need more information.?

Name:
Source:
Symptoms:
Associated Foods:
Frequency of Infection:
Target Population:
Occurrence of Outbreaks:
I need more information about:
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