Central Nervous System DiseasesCentral Nervous System Viral DiseasesMeningoencephalitisCentral Nervous System InfectionsNervous System DiseasesCentral Nervous SystemSubacute Sclerosing PanencephalitisBrainBrain DiseasesMaus Elberfeld virusCerebrospinal FluidMeningesAIDS Dementia ComplexDemyelinating DiseasesEnterovirus InfectionsAstrocytesFatal OutcomeMagnetic Resonance ImagingDisease Models, AnimalNeuronsCentral Nervous System NeoplasmsNervous SystemAutopsyAutonomic Nervous System DiseasesCells, CulturedLamin Type APeripheral Nervous SystemDigestive System DiseasesPeripheral Nervous System DiseasesVasculitis, Central Nervous SystemCause of DeathImmunohistochemistryCentral Nervous System Protozoal InfectionsInfant, NewbornTime Factors