Table 1 Some of the most important viral causes of acute encephalitides
HERPETOVIRIDAE (DNA)
Herpes simplex 1
Herpes simplex 2
Varicella zoster
Epstein-Barr
Cytomegalo


ADENOVIRIDAE (DNA)
Adenoviruses


ARENAVIRIDAE (RNA) Lymphocytic choriomeningitis
Lassa


PICORNAVIRIDAE (RNA)
Poliovirus
Coxsackievirus
Echovirus


RHABDOVIRIDAE (RNA)
Rabies


RETROVIRIDAE (RNA)
Human immunodeficiency virus


PARAMYXOVIRIDAE (RNA)
Mumps virus
Measles virus
Parainfluenza virus

FLAVIVIRIDAE (RNA)
St. Louis
Japanese -B
West Nile
Tick-borne encephalitis complex
(incl. Kumlinge virus)


TOGAVIRIDAE (RNA)
Alphaviruses
Eastern equine
Western equine
Venezuelan equine
Rubiviruses
Rubella


BUNYAVIRIDAE (RNA)
California
Puumala
Inkoo



REOVIRIDAE (RNA)
Colorado tick fever
Rotavirus


ORTOMYXOVIRIDAE (RNA)
Influenza A
Influenza B