Introduction to Surveillance

Question 1

What is public health surveillance?

Answer 1

Question 2

What are the public health surveillance keywords?

Answer 2

Question 3

What is the goal of public health surveillance?

Answer 3

Question 4

Answer 4

C

Question 5

Answer 5

B

Question 6

What are the uses of public health surveillance? (7)

Answer 6

Question 7

Give examples of public health headlines:

Answer 7

Question 8

Identify the surveillance uses that cane linked to the New York Times E. coli article.

A. Measure trends of a particular disease
B. Estimate the magnitude of the problem
C. Monitor changes in infectious and environmental agents
D. Assess effectiveness of programs and control measures
E. All of the above

Answer 8

E

Question 9

What are examples of legal authority for conducting public health surveillance? (2)

Answer 9

Question 10

What are some State-based notifiable disease surveillance systems? (5)

Answer 10

Question 11

Answer 11

C

Question 12

Answer 12

A

Question 13

What is the difference between passive surveillance and active surveillance? (3 x 3)

Answer 13

Question 14

What is sentinel surveillance?

Answer 14

Reporting of health events by health professionals who are selected to represent a geographic area or a specific reporting group.

Question 15

What is syndromic surveillance?

Answer 15

Focuses on more or more symptoms rather than a physician-diagnosed or laboratory-confirmed disease.

Question 16

Surveillance system attributes:
Attribute: usefulness
Question it answers:

Answer 16

How useful is the system in accomplishing its objectives?

Question 17

Surveillance system attributes:
Attribute: data quality
Question it answers:

Answer 17

How reliable are the available data? How complete and accurate are data fields in the reports received by the system?

Question 18

Surveillance system attributes:
Attribute: timeliness
Question it answers:

Answer 18

How quickly are reports received?

Question 19

Surveillance system attributes:
Attribute: flexibility
Question it answers:

Answer 19

How quickly can the system adapt to changes?

Question 20

Surveillance system attributes:
Attribute: simplicity
Question it answers:

Answer 20

How easy is the system’s operation?

Question 21

Surveillance system attributes:
Attribute: stability
Question it answers:

Answer 21

Does the surveillance system work well? Does it break down often?

Question 22

Surveillance system attributes:
Attribute: sensitivity
Question it answers:

Answer 22

How well does it capture the intended cases?

Question 23

Surveillance system attributes:
Attribute: predictive value positive
Question it answers:

Answer 23

How many of the reported cases meet the case definition?

Question 24

Surveillance system attributes:
Attribute: representativeness
Question it answers:

Answer 24

How good is the system at representing the population under surveillance?

Question 25

Surveillance system attributes: Attribute: acceptability Question it answers:

Answer 25

How easy is the system's operation?

Question 26

Answer 26

B

Question 27

Before collecting data, decide on the overarching goal of the system. What is the surveillance process? (5)

Answer 27

- Data collection - Data analysis - Data interpretation - Data dissemination - Link to action

Question 28

What are data sources for public health surveillance? (5)

Answer 28

- Reported diseases or syndromes - Electronic health records - Vital records - Registries - Surveys

Question 29

What is the NNDSS?

Answer 29

Nationally Notifiable Disease Surveillance System - many diseases on a state list are also nationally notifiable.

Question 30

What are internally notifiable diseases? (4)

Answer 30

Reporting ti WHO is required for cases of: - smallpox - poliomyelitis - human influenza caused by any new subtype - severe acute respiratory syndrome (SARS)

Question 31

What are the questions we need to ask when analysing data? (3)

Answer 31

Question 32

How is data interpretation coupled with?

Answer 32

It is closely coupled with data analysis.

Question 33

How is data disseminated? (4)

Answer 33

Question 34

What are the data dissemination target audiences? (5)

Answer 34

Question 35

What is the surveillance link to action?

Answer 35

Public health surveillance should always have a link to action.

Question 36

Examples of surveillance links to action:

Answer 36

Question 37

Answer 37

B

Question 38

Answer 38

C

Question 39

Answer 39

C

Question 40

What are the features of public health surveillance-based action? (5)

Answer 40