First case of Japanese encephalitis recorded in NSW this summer

The first case of Japanese encephalitis (JE) for the summer has been recorded in NSW.

A man who lives in Lake Cargelligo, around seven hours inland from Sydney, has been diagnosed with the mosquito-borne virus.

He likely caught the infection early last month, NSW Health said.

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The state's Australian Medical Association (AMA) has called for eligible residents to get vaccinated against JE – a potentially fatal disease that can cause severe neurological illness with headaches, convulsions and reduced consciousness.

Last month a map was released showing the locations most at risk for the virus, which includes the Lachlan Shire area.

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Experts are tipping an increase in mosquito numbers caused by heavy rainfall and floods.

NSW Health Executive Director Dr Jeremy McAnulty warned locals and visitors to be vigilant and safeguard themselves against mosquito bites.

"Mosquitoes in NSW can carry a range of viruses, including Murray Valley Encephalitis virus, Kunjin virus, Ross River virus, Barmah Forest virus, as well as JE virus," McAnulty said.

"Vaccine is only available for JE, so avoiding mosquito bites is the most important way of preventing these infections."

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People who live in affected areas can get a free vaccination if they often work outdoors.

JE vaccination clinics are being planned by the Murrumbidgee Local Health District for Lake Cargelligo in early January.

For more details visit the NSW Health website.