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As of 11 May 2022, theĀ Australian Department of Health has reported 41 cases (including 4 deaths) of Japanese encephalitis across 4 states.
The affected states are New South Wales (13 cases), Queensland (5 cases), South Australia (9 cases) and Victoria (14 cases).
People in New South Wales, Queensland, South Australia and Victoria are advised to avoid mosquito bites at all times.
Japanese encephalitis virus (JEV) is a mosquito-borne virus which affects the central nervous system. It is most common around areas of rice and pig farming. JEV is transmitted from animals (mainly pigs/birds) to humans through the bite of an infected Culex mosquito which feeds in the hours around dusk. No human-to human transmission occurs.
All travellers to endemic countries or outbreak areas are potentially at risk of infection. This risk is greatest for those:
All travellers should be advised on:
Travellers at increased risk of developing severe clinical disease are those:
For most travellers the risk of acquiring infection will be very small, but consider vaccinating those:
For further information, see the Japanese Encephalitis page.