TABLE 1.
Neurological side effects of SARS‐CoV‐2 vaccines as per the end of September 2021
| NAR | NOP | Vaccine type | Outcome | Reference |
|---|---|---|---|---|
| Headache | 3051 | AZV, Pfizer | CR | 6, 7 |
| GBS | 389 | AZV, Pfizer, JJ | CR, PR | 4, 9 |
| VST | 312 | vector‐based, AZB, JJ | nr | 16, 17 |
| Transverse myelitis | 11 | AZV, Moderna, JJ Sinovac | PR, CR, nr | 12, 13, 19, 20, 21, 22, 23, 24, 25, 26 |
| Facial nerve palsy | 4 | AZV, Pfizer | CR, PR | 15, 20, 27 |
| Bharat Biotech | 14 | |||
| Small fiber neuropathy | 3 | Moderna, Pfizer | CRm PR, nr | 28 |
| Autoimmune encephalitis | 3 | ATV | PR | 29 |
| RCVS | 2 | Moderna | CR | [Personal communication] |
| Multiple sclerosis | 2 | Moderna, Pfizer | nr | 30 |
| Neuromyelitis optica | 2 | Pfizer, vector based | CR | 30, 31 |
| Ischemic stroke | 1 | AZV | PR | 20 |
| ICB | 1 | Pfizer | PR | 32 |
| Tolosa‐Hunt syndrome | 1 | nr | PR | 33 |
| Hypophysitis | 1 | Moderna | CR | 34 |
| Epilepsy | 1 | Moderna | CR | 35 |
| Hyperactive encephalopathy | 1 | Moderna | PR | 36 |
| ADEM | 1 | Pfizer | PR | 37 |
Abbreviations: ADEM, acute disseminated encephalomyelitis; AZV, AstraZeneca vaccine; CR, complete recovery; ICB, intracerebral bleeding; JJ, Johnson & Johnson vaccine; NAR, neurological adverse reaction; nr, not reported; PR, partial recovery; RCVS, reversible cerebral vasoconstriction syndrome; VST, venous sinus thrombosis.