Symptom Information: Sort according to HPO 

1
 (HPO:0001250) Seizures 1245 / 7739
2
 (HPO:0001259) Coma 65 / 7739
3
 (HPO:0001276) Hypertonia 317 / 7739
4
 (HPO:0001298) Encephalopathy 72 / 7739
5
 (HPO:0002090) Pneumonia 59 / 7739
6
 (HPO:0002171) Gliosis 48 / 7739
7
 (HPO:0002181) Cerebral edema 19 / 7739
8
 (HPO:0002445) Tetraplegia rare [HPO:skoehler] 26 / 7739
9
 (HPO:0002510) Spastic tetraplegia 54 / 7739
10
 (HPO:0002922) Increased CSF protein 27 / 7739
11
 (OMIM) Altered breathing patterns during acute episodes 1 / 7739
12
 (OMIM) Encephalopathy, acute, sudden-onset after febrile illness 1 / 7739
13
 (OMIM) Extensor posturing 1 / 7739
14
 (OMIM) Gaze deviation 1 / 7739
15
 (OMIM) Altered breathing patterns 1 / 7739
16
 (OMIM) Variable outcome after acute illness 1 / 7739
17
 (OMIM) Spastic quadriplegia, residual mild-to-severe (in some patients) 1 / 7739
18
 (OMIM) Mental retardation, residual mild-to-severe (in some patients) 1 / 7739
19
 (OMIM) T2-weighted MRI shows hyperintensities in the thalamus, basal ganglia, and brainstem during acute illness (may later resolve) 1 / 7739
20
 (OMIM) External capsule and claustrum may be involved 1 / 7739
21
 (OMIM) Cellular necrosis 1 / 7739
22
 (HPO:0001892) Abnormal bleeding 85 / 7739
23
 (OMIM) Usually precipitated by viral infection (influenza A, influenza B, parainfluenza II, and Mycoplasma pneumoniae) 1 / 7739
24
 (OMIM) Often an infecting organism cannot be identified 1 / 7739
25
 (OMIM) Increased CSF protein during acute illness 1 / 7739
26
 (HPO:0000006) Autosomal dominant inheritance 2518 / 7739
27
 (HPO:0003593) Infantile onset 249 / 7739
28
 (HPO:0003829) Incomplete penetrance 85 / 7739