Australian X disease -->
Murray Valley encephalitis
medical dictionary

A severe encephalitis with a high mortality rate occurring in the Murray Valley of Australia; the disease is most severe in children and is characterised by headache, fever, malaise, drowsiness or convulsions, and rigidity of the neck; extensive brain damage may result; it is caused by the Murray Valley encephalitis virus (genus Flavivirus).

Synonyms: Australian X disease, Australian X encephalitis.

(05 Mar 2000)