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Australian Chief Veterinary Officer Dr Mark Schipp reported on March 1, 2022 that Japanese encephalitis virus (JEV) had been confirmed by laboratory diagnosis at one piggery in Victoria’s north, six piggeries in New South Wales, and in one piggery in Queensland. The total number of susceptible animals from these eight outbreaks is 147,775.
According to the OIE report, this represents a significant change in the virus’ presence in Australia. Serological evidence of Japanese encephalitis is periodically detected in the Torres Strait region of northern Australia but has not previously established transmission on mainland Australia. Climate conditions of above median rainfall and warmer minimum temperature may be a factor in the current event.
Dr Schipp stated, "This is the first time the virus has been detected in southern Australia, and biosecurity authorities are working with their human health departments to understand the implications and risks of human exposure."
March 1, 2022/ OIE and Australian Government/ Australia.
https://wahis.oie.int/
https://www.health.gov.au
