West Nile virus infection – including Kunjin virus
Find out how we define and monitor cases of West Nile/Kunjin virus infection, and where you can learn more about this disease.
About West Nile virus infection
West Nile virus infection (including Kunjin virus) is a disease caused by a flavivirus. These diseases spread to humans via the bite of an infected mosquito. Infected people may have no symptoms, or mild flu-like symptoms. In very rare cases, infection can lead to serious complications such as meningitis and encephalitis.
Prevention, symptoms, diagnosis and treatment
For information about symptoms, diagnosis and treatment, see the Victorian government’s West Nile/Kunjin virus page.
Surveillance and reporting
West Nile/Kunjin virus infection is a nationally notifiable disease.
We monitor cases through the National Notifiable Diseases Surveillance System (NNDSS).
For more on West Nile/Kunjin virus infection in Australia, you can search Communicable Diseases Intelligence.