Table 1.
Specific RNA viruses and associated neurologic defects
| Virus | Acute defects | Subacute or chronic defects |
|---|---|---|
| Measlesvirus (154–158) | Encephalitis, blindness | Subacute sclerosing panencephalitis, cognitive defects, seizures, motor dysfunction, coma, cerebellar ataxia |
| West Nile virus (159–162) | Meningoencephalitis, acute flaccid paralysis | Cognitive defects |
| Zikavirus (163–168) | Meningoencephalitis, Guillain-Barré syndrome | Birth defects (microcephaly, developmental delay, motor dysfunction), myelopathy, possible cognitive defects |
| Japanese encephalitis virus (169–170) | Encephalitis, acute flaccid paralysis | Motor dysfunction, ataxia, tremor |
| Venezuelan equine encephalitis virus (171) | Encephalitis | Seizures, cognitive defects, psychiatric illness |
| Western equine encephalitis virus (171) | Encephalitis | Seizures, cognitive defects, psychiatric illness, motor dysfunction |
| Eastern equine encephalitis virus (171) | Encephalitis | Seizures, cognitive defects, psychiatric illness, motor dysfunction |
| Influenza virus (172–175) | Encephalitis | Not reported to date |