Travellers and locals in northern Victoria have been warned to be on their guard after Japanese encephalitis was detected in the region’s mosquitos.

The state’s early warning program identified the virus in two mosquito traps in Moira Shire, the first mosquito-borne disease detections this season.

It follows similar recent detections in New South Wales and a confirmed human case of Japanese encephalitis identified in Victoria in December.

Mosquitoes, mozzies
People are urged to be vigilant against mosquitos in northern Victoria. (Getty)

Victoria’s Chief Health Officer, Tarun Weeramanthri, said the findings confirmed the virus was circulating in the state’s north.

“Japanese encephalitis virus can cause a rare but potentially serious infection of the brain and is spread to humans through bites from infected mosquitoes,” Weeramanthri said.

“If you’re visiting northern Victoria, particularly inland riverine regions and near the Murray River, you’re potentially at higher risk of infection.”

She said people should use insect repellent and limit their time outdoors when mosquitos were about.

The Japanese encephalitis virus vaccine is free for eligible people in 24 high-risk local government areas in northern Victoria.

People camping or travelling in the high-risk areas should ensure their mosquito screens are intact, keep doors and tent flaps closed, and avoid camping near wetlands.

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There is no specific treatment available for Japanese encephalitis and the best prevention is to protect against mosquito bites.

For people who develop Japanese encephalitis, treatment aims to reduce the severity of the symptoms and may include medication and admission to hospital.

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