<unk>  is very rare and similar to SSPE but without intracellular inclusion bodies. Only 20 patients have been identified since first recognized in 1974.
Progressive rubella panencephalitis
Postvaccinal encephalitis
Herpesviral encephalitis
Fungal meningitis
Herpesviral meningitis
Eastern equine encephalitis
Viral encephalitis
Granulomatous meningoencephalitis