Unit 8

Question 1

disease surveillance

Answer 1

ongoing, systematic collection, analysis and interpretation of the data, and application of that data to plan implement and evaluate public health practice

Question 2

5 stage cycle of surveillance

Answer 2

data collection, analysis, interpret, disseminate, action

Question 3

passive surveillance

Answer 3

data are acquired from other primary sources and have been derived fro other purposes

ex. collecting data on lab samples sent into a lab for testing

Question 4

active data collection

Answer 4

data is actively searched for and collected for the goal of surveillance

ex. sampling retail meats for pathogens

Question 5

Lab based surveillance

Answer 5

data produced in clinical or public labs,

can detect changes in the presence or behavior of pathogens, and the evaluate the impact of prevention and control measures

Question 6

Sentinel surveillance

Answer 6

used individual and population health indicator that are available before confirmed diagnoses or lab confirmation

useful to identifying disease clusters in an outbreak before disgnosis are confirmed and reported

ex. using telehealth ontario phone calls

Question 7

Social media surveillance

Answer 7

monitors rends on populat internet and spcial media sites and look for common words

Question 8

outbreak investigations step

Answer 8

1.determine existance of an outbreak
2. confirm the diagnosis
3, prepare for field and assemble team
4. implement immediate control measures
5. define a case by case finding
6. describe data by time, place and person
7. develop a hypothesis
8. test hypothesis - implement studies
9. implement prevention and control measures
10. disseminate findings and conduct evaliation