NATS1560 UNDERSTANDING FOOD SUMMER 2021
______________________________________________________________________________
Copyright notice: This document is part of the course, NATS1560 Summer 2021. It is intended to be u
...
NATS1560 UNDERSTANDING FOOD SUMMER 2021
______________________________________________________________________________
Copyright notice: This document is part of the course, NATS1560 Summer 2021. It is intended to be used for this course only, and may be used
for course-appropriate purposes only. No part of it may be published or re-posted anywhere in any form. Any violation of these restrictions will
be prosecuted.
_____________________________________________________________________________
ASSIGNMENT 2
Each question in this assignment is worth 10% of the assignment grade, which is equivalent to
2% of the Course Total. The assignment is composed of ten questions, divided into four parts,
and is worth 20% of the Course Total.
Type your answers below the respective questions. The text must be in Calibri 12 pt font (as the
rest of this file), double spaced, and with ragged left margin. Indent the first line of every
paragraph by 1.27 cm, and do not leave blank lines. The spaces for the answers are set with
these parameters. If the settings get overridden when you edit the file in your pc, restore them.
Do not use direct citations.
PART 1
Review the course material on Topic 5, Food Gone Bad, and read the following selection from
the Report of the Independent Investigator into the 2008 Listeriosis Outbreak (link also in the
course website under Resources):
A Message from the Investigator, iii-vi
Executive Summary, vii-xiv
Chapter 2. What is Listeriosis? 5-8
Chapter 3. Who Was Affected by the 2008 Outbreak? 9-12
Then, answer the following questions:
1.1 What is listeriosis? Take one example from each of the different categories of food safety
hazards that we talked about in the course (endogenous toxins, biological contaminants, and
chemical contaminants), and explain how listeriosis is similar and how it differs from them.
Listeriosis is a food borne illness caused by a bacteria called Listeria
monocytogenes. These organisms live in the soil, water, and vegetation. Mammals can
carry the bacteria without knowing and farm animals can contaminate dairy and meat
because the bacteria can go undetected. It can be found in prepared meats, hot dogs,
soft cheeses, fruits and vegetables. It primarily affects older adults or those with
1
For class use only. Do not circul
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