The occurrence of aseptic meningitis in general is approximately 20 per 100,000, but the most common cause of aseptic meningitis is viral.
Drug-induced aseptic meningitis
Fungal meningitis
Aseptic meningitis
Viral meningitis
Herpesviral meningitis
Viral encephalitis
Tuberculous meningitis
Granulomatous meningoencephalitis