Step 4: Classify case

A. Consistent causal association to immunization

A1. Vaccine product-related reaction (As per published literature)
A2. Vaccine quality defect-related reaction
A3. Imminization error-related reaction
A4. Immunization anxietyrelated reaction

B. Indeterminate

*B1. Temporary relationship is consistent but there is insufficient definitive evidence for vaccine causing event (may be new vaccine-linked event)
B2. Qualifying factors result in conflicting trends of consistency and inconstistency with causal association to immunization.

C. Inconsistent causal association to immunization

C. Coincidental
Underlying or emerging condition(s), or condition(s) caused by exposure to something other than vaccine

Unclassifiable

Please click on the Classify button