. 2003 Apr;1(2):145–150. doi: 10.3121/cmr.1.2.145

Table 2.

Neurological manifestations of recent encephalitis epidemics, in descending order of incidence.⁶,¹³,²⁰,³⁵

Confusion (40–90%)
Meningismus and headache (40–90%)
Somnolence (40–70%)
Diffuse weakness or asthenia (40–60%)
Axonal polyneuropathy (30–50%)
Photophobia (30–50%)
Respiratory failure (10–25%)
Coma (10–15%)
Extrapyramidal syndromes (0–10%)
Anterior myelitis (0–10%)
Ataxia (0–10%)
Polyradiculitis (0–10%)
Seizure (0–10%)
Tremor (0–10%)
Cranial neuropathies (0–10%)
Hypertonicity and hyperreflexia (0–10%)
Optic neuritis (0–10%)