C.
Positive Predictive Value (PPV).
✓
D.
Negative Predictive Value (NPV).
✓
C.
Cumulative Incidence.
✓
A.
Issue a warning to the restaurant management.
✓
B.
Immediately shut down the restaurant, seize contaminated food, and initiate a thorough decontamination process.
✓
C.
Wait for the restaurant to improve conditions voluntarily.
✓
D.
Only advise customers to avoid the restaurant.
✓
A.
PPV will be very high.
✓
B.
PPV will be very low, leading to many false positives.
✓
C.
PPV will be unchanged.
✓
D.
PPV becomes irrelevant.
✓
B.
Randomized controlled trials (RCTs) in humans.
✓
C.
Qualitative research.
✓
A.
The drug manufacturer's sales department.
✓
B.
A national pharmacovigilance system (e.g., FDA Adverse Event Reporting System, Yellow Card Scheme).
✓
D.
Directly to the patient's insurance company.
✓
A.
Advise people to avoid public buildings.
✓
B.
Immediately shut down and decontaminate the implicated cooling tower, and identify individuals who visited the building.
✓
C.
Wait for the outbreak to subside naturally.
✓
D.
Only treat the severe cases.
✓
