Several animals were treated for the virus in the past month and although there are no confirmed cases of the Japanese strain of the virus in Victorian patients yet, a warning has been issued statewide.
There is evidence of the strain being found in pigs in Echuca, along with NSW piggeries near the Victorian border and in southern Queensland.
Chief Health Officer Brett Sutton said the disease could be very serious and even life threatening.
“Most people with Japanese encephalitis will have no or very mild symptoms, but anyone who develops a sudden onset of fever, headache and vomiting should see their doctor immediately,” Professor Sutton said on Sunday.
“People with these symptoms can deteriorate over just a few short days, including suffering a loss of co-ordination, disorientation, generalised weakness and in some cases issues with movement which can last for years.”
The virus is spread through mosquito bites and people in regional areas who are in contact with pigs may be at particular risk.
Anyone working or camping in country Victoria is being warned to use mosquito repellent and cover up with loose-fitting clothing.
Older people and those aged under five who are infected are at higher risk of developing serious illness.
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