Viral meningitis refers to meningitis

Meningitis

Meningitis is inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges. The inflammation may be caused by infection with viruses, bacteria, or other microorganisms, and less commonly by certain drugs...

 caused by a viral infection. It is sometimes referred to as "aseptic

Sepsis

Sepsis is a potentially deadly medical condition that is characterized by a whole-body inflammatory state and the presence of a known or suspected infection. The body may develop this inflammatory response by the immune system to microbes in the blood, urine, lungs, skin, or other tissues...

 meningitis" in contrast to meningitis caused by bacteria

Bacteria

Bacteria are a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria have a wide range of shapes, ranging from spheres to rods and spirals...

.

An example is lymphocytic choriomeningitis

Lymphocytic choriomeningitis

Lymphocytic choriomeningitis , is a rodent-borne viral infectious disease that presents as aseptic meningitis, encephalitis or meningoencephalitis. Its causative agent is the Lymphocytic Choriomeningitis Virus , a member of the family Arenaviridae...

.

Viral meningitis is most commonly caused by enteroviruses.

Causative organisms include:

• Enterovirus
  Enterovirus
  Enteroviruses are a genus of ssRNA viruses associated with several human and mammalian diseases. Serologic studies have distinguished 66 human enterovirus serotypes on the basis of antibody neutralization tests. Additional antigenic variants have been defined within several of the serotypes on the...
  
  es
  • Poliovirus
    Poliovirus
    Poliovirus, the causative agent of poliomyelitis, is a human enterovirus and member of the family of Picornaviridae.Poliovirus is composed of an RNA genome and a protein capsid. The genome is a single-stranded positive-sense RNA genome that is about 7500 nucleotides long. The viral particle is...
    
     (PV1, PV2, PV3)
  • Coxsackie A virus
    Coxsackie A virus
    Coxsackie A virus is a cytolytic coxsackie virus of the Picornaviridae family, an enterovirus .-Diseases:...
    
     (CVA); also causes Hand foot and mouth disease
• Herpesviridae (HHV)
  • Herpes simplex virus
    Herpes simplex virus
    Herpes simplex virus 1 and 2 , also known as Human herpes virus 1 and 2 , are two members of the herpes virus family, Herpesviridae, that infect humans. Both HSV-1 and HSV-2 are ubiquitous and contagious...
    
     type 1 (HSV-1 / HHV-1) or type 2 (HSV-2 / HHV-2); also cause cold sores or genital herpes
  • Varicella zoster (VZV / HHV-3); also causes chickenpox
    Chickenpox
    Chickenpox or chicken pox is a highly contagious illness caused by primary infection with varicella zoster virus . It usually starts with vesicular skin rash mainly on the body and head rather than at the periphery and becomes itchy, raw pockmarks, which mostly heal without scarring...
    
    
  • Epstein-Barr virus
    Epstein-Barr virus
    The Epstein–Barr virus , also called human herpesvirus 4 , is a virus of the herpes family and is one of the most common viruses in humans. It is best known as the cause of infectious mononucleosis...
    
     (EBV / HHV-4); also causes infectious mononucleosis
    Infectious mononucleosis
    Infectious mononucleosis is an infectious, widespread viral...
    
    /"mono"
  • Cytomegalovirus
    Cytomegalovirus
    Cytomegalovirus is a viral genus of the viral group known as Herpesviridae or herpesviruses. It is typically abbreviated as CMV: The species that infects humans is commonly known as human CMV or human herpesvirus-5 , and is the most studied of all cytomegaloviruses...
    
     (CMV / HHV-5)
• Human Immunodeficiency Virus (HIV); causes AIDS
  AIDS
  Acquired immune deficiency syndrome or acquired immunodeficiency syndrome is a disease of the human immune system caused by the human immunodeficiency virus...
  
  
• La Crosse virus
• Lymphocytic choriomeningitis virus (LCMV)
• Measles
  Measles
  Measles, also known as rubeola or morbilli, is an infection of the respiratory system caused by a virus, specifically a paramyxovirus of the genus Morbillivirus. Morbilliviruses, like other paramyxoviruses, are enveloped, single-stranded, negative-sense RNA viruses...
  
  
• Mumps
  Mumps
  Mumps is a viral disease of the human species, caused by the mumps virus. Before the development of vaccination and the introduction of a vaccine, it was a common childhood disease worldwide...
  
  
• St. Louis Encephalitis virus
  St. Louis Encephalitis
  St. Louis Encephalitis is a disease caused by the Culex mosquito borne St. Louis Encephalitis virus. St. Louis encephalitis virus is related to Japanese encephalitis virus and is a member of the Flaviviridae subgroup. This disease mainly affects the United States...
  
  
• West Nile virus
  West Nile virus
  West Nile virus is a virus of the family Flaviviridae. Part of the Japanese encephalitis antigenic complex of viruses, it is found in both tropical and temperate regions. It mainly infects birds, but is known to infect humans, horses, dogs, cats, bats, chipmunks, skunks, squirrels, domestic...
  
  

Treatment

HSV

Herpes simplex virus

Herpes simplex virus 1 and 2 , also known as Human herpes virus 1 and 2 , are two members of the herpes virus family, Herpesviridae, that infect humans. Both HSV-1 and HSV-2 are ubiquitous and contagious...

, varicella and CMV

Cytomegalovirus

Cytomegalovirus is a viral genus of the viral group known as Herpesviridae or herpesviruses. It is typically abbreviated as CMV: The species that infects humans is commonly known as human CMV or human herpesvirus-5 , and is the most studied of all cytomegaloviruses...

 have a specific antiviral therapy; most other viruses do not. For HSV the treatment of choice is acyclovir