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

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