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| Encephalitis, Arbovirus Arthropod-Borne Encephalitis | Encephalitis, Epidemic | Mosquito-Borne Encephalitis | Arthropod-Borne Viral Encephalitis | Encephalitis, Arthropod-Borne | Encephalitis, Mosquito-Borne | Epidemic Encephalitis | Arbovirus Encephalitides Infections of the brain caused by arthopod-borne viruses (i.e., arboviruses) primarily from the families TOGAVIRIDAE; FLAVIVIRIDAE; BUNYAVIRIDAE; REOVIRIDAE; and RHABDOVIRIDAE. Life cycles of these viruses are characterized by ZOONOSES, with birds and lower mammals serving as intermediate hosts. The virus is transmitted to humans by the bite of mosquitoes (CULICIDAE) or TICKS. Clinical manifestations include fever, headache, alterations of mentation, focal neurologic deficits, and COMA. (From Clin Microbiol Rev 1994 Jan;7(1):89-116; Walton, Brain's Diseases of the Nervous System, 10th ed, p321) |