Most notifications are from Queensland, tropical Western Australia and the Northern Territory. Geographical risk factors include areas of higher rainfall and higher maximal tides. In the tropics,<unk>  is more prevalent during the summer/autumn "wet season", particularly January—March, when mosquito populations numbers are high. In southern parts of Australia, this time period may shift to earlier in the year during spring/summer. Areas noted of common place contraction of the virus include townships and along the<unk>  Murray areas. Backwaters and Lagoons are breeding grounds for mosquitos and local medical treating facilities report higher cases than cities away from the<unk>  around the<unk> ina areas. Areas near suitable mosquito breeding grounds—marshes, wetlands, waterways and farms with irrigation systems—are high risk areas for outbreaks. As such, the disease is more characteristic of rural and regional areas. Infection is most common in adults aged 25–44 years old, with males and females equally affected.<unk>  is on the Australian Department of Health and Ageing's list of notifiable diseases.
Ross River fever
Yellow fever
Tomato fever
Chikungunya
Blackwater fever
Spondweni fever
Haverhill fever
Trench fever