<unk>  differs from virus to another and depends on many factors like age, immune status and gene expression. Invasion into the meninges by a pathogen can set up a local inflammatory response. The clinical signs are due to this meningeal irritation - for example, Kernig's sign is due to pain produced by stretching of the inflamed meninges.
Viral meningitis pathophysiology
Neoplastic meningitis pathophysiology
Fungal meningitis pathophysiology
Bacterial meningitis pathophysiology
Viral encephalitis pathophysiology
Meningococcemia pathophysiology
Fungal meningitis risk factors
Neoplastic meningitis risk factors