1. West Nile virus
West Nile virus is a member of the Japanese encephalitis antigenic complex of the genus Flavivirus, family Flaviviridae. The virus was soon recognized as the most widespread of the flaviviruses, with geographic distribution including Africa and...
http://www.birds.cornell.edu/crows/westnile.htm

2. MD Travel Health - Australia - vaccinations, safety, and other medical advice -- Md Travel Health
, February 16, 2007) Kunjin virus is mosquito-borne organism that may cause fever, severe headaches, and muscle and joint pains; complications are uncommon. Six cases of Kunjin virus infection, which is a milder disease, had been reported as of...
http://www.mdtravelhealth.com/destinations/oceania/australia.html

3. New York State Health Commissioner Responds to Encephalitis Epidemic, Discovery of West Nile-Like...
Ian Lipkin at the University of California/Irvine has identified a viral footprint for West Nile like or Kunjin like virus in three encephalitis patients who have died in the outbreak. West Nile and Kunjin are genetically very similar.
http://www.health.state.ny.us/press/releases/1999/nile.htm