Describe the mechanisms of pathogenicity.,MICROBIOLOGY

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Assignment Details
Level: 5
Programme Title: Foundation Degree in Microbiology
Module Code
Module Title
Medical Microbiology
Assess Code

Assignment TitleData Handling Assignment
Deadline Date
Student name
Tutor P. Kowabnik
Programme Learning Outcomes addressed by brief:
A1
A2
A4
B1
C1
C2
C3
D1
D2
D3
Module Learning Outcomes addressed by brief:
1. Appreciate the importance of epidemiology.
2. Describe the mechanisms of pathogenicity.
3. To allow the students to develop investigative and problem solving skills in the form of a data handling assignments.
Assignment tasks:
Procedure
1. The following table lists the number of confirmed BSE cases by year of birth, where known.
Year
Cases
1974
1
1975
0
1976
2
1977
10
1978
6
1979
41
1980
102
1981
262
1982
1393
1983
4463
1984
8069
1985
11071
1986
19749
1987
36921
1988
22246
1989
12723
1990
5728
1991
4722
1992
3450
1993
2891
1994
2034
1995
985
1996
49
1997
33
1998
15
1999
2
Unknown
43327
Overall Total
180295
a. Express the data in appropriate format (6 Marks)
b. Which years had the highest rate of increase in BSE, give reasons for your answer (5 marks)
c. What is the primary cause of BSE. (1 mark)
d. What was the initial source of the BSE agent? (10 marks)
2. Define the following terms:
i. Incidence of disease (2 marks)
ii. Prevalence of disease (2 marks)
a. The following data shows the incidence of tuberculosis in Washington, USA, from 1991 – 2000
Year
Number with TB
Population of Washington
1991
309
5,021,335
1992
306
5,144,177
1993
286
5,265,688
1994
264
5,338,364
1995
278
5,021,335
1996
285
5,470,104
1997
305
5,567,675
1998
270
5,750,673
1999
260
5,850,835
2000
260
5,894,124

Calculate the incidence and…