M1: Outbreak Investigation Flashcards
Harmful Effects of an Outbreak: Decrease in ________.
Economy
Harmful Effects of an Outbreak: High _______ & ________.
Mortality & Morbidity
Harmful Effects of an Outbreak: Bad _______.
Publicity
Harmful Effects of an Outbreak: Outbreaks are _______.
Expensive
Goals: _______ management.
Case
Goals: Containment of ________.
Infection
Goals: Active search for _______.
New case
Goals: Protection of _________.
Susceptible
Steps: 1. Confirm the existence of _________. Checking the _______ of the number of cases.
Outbreak. Record.
Steps: 2. Verify ________. Laboratory dx.
Diagnosis
Steps: 3. _______ the patient and ________ a case definition.
Assess. Formulate.
Steps: 4. ________ the case by asking questions about person, address, time and signs & symptoms.
Relate
Steps: 5. Formulate a ________.
Hypothesis
Steps: 6. Start and conduct an __________.
Epidemiological investigation
Steps: 7. ________ the data.
Analyze
Steps: 8. Formulate a _______.
Conclusion
Steps: 9. Put _________ in place. Current or future.
Control measure
Steps: 10. Write a _______.
Report
Components of Epicurve
Common & Continuous sources
Members of the outbreak team
Team leader, nurse, officer, inspector, statistician & spokes person
Two types of study to conduct during an outbreak
Case control & Cohort
Use for large scale outbreaks. Disease first before exposure.
Case control
Use for small and well defined outbreak. Exposure first before disease prospective.
Cohort
Number of new cases over a limited time over total population at risk times 100
Attack rate
Odds that a case was exposed to risk factor over odds that a control was exposed to risk factors
Odds Ratio
Odds Ratio of 1
Risk factor is not r/t the disease
Odds Ratio of <1
Risk factor may be a protective factor against the disease
Odds Ratio of >1
Risk factor is more likely r/t the disease