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Outbreak Updates

05 February 2026

Australia +

Japanese encephalitis in Australia

As of 13 January 2026, a probable case of Japanese encephalitis was reported in a New South Wales resident. This case is believed to have been exposed in Riverina in December 2025. Health authorities also advise in January 2026 that the virus was detected in a chicken in Upper Lachlan Shire, near Goulburn. This indicates that Japanese encephalitis is likely to be circulating in this area. Please see our Topics in Brief article for further details on Japanese encephalitis.

Source: State Japanese encephalitis in brief

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UK Health Security Agency

Hospital for Tropical Diseases

Liverpool School of Tropical Medicine

London School of Hygiene and Tropical Medicine

University College London Hospitals NHS Foundation Trust

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Japanese encephalitis in Australia

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