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Criteria for determining adverse events.
| Adverse event | Medical setting | Post-vaccination risk period | First episode in which period? |
|---|---|---|---|
| GBSa | Outpatient, inpatient, emergency department | 1–42 days | First in 42 days |
| CIDPb | Outpatient, inpatient, emergency department | 1–180 days | First ever |
| Stroke | Inpatient, emergency department | 0–42 days | First in 42 days |
aGuillain-Barré syndrome.
bChronic inflammatory demyelinating polyneuropathy.
