Viral infections of the brain, spinal cord, meninges, or perimeningeal spaces.

Synonyms: Diseases, CNS Viral, CNS Viral Disease, Central Nervous System Viral Infections, CNS Infection, Viral, Viral Disease, CNS, CNS Viral Diseases, CNS Infections, Viral, Disease, CNS Viral, Viral CNS Infection, Viral Diseases, CNS, Central Nervous System Viral Diseases, Viral CNS Infections, Viral Diseases, Central Nervous System, Infections, Viral CNS, Viral Infections, Central Nervous System, Infections, CNS, Viral, Infection, Viral CNS