Japanese Encephalitis: Know Your Duties

Safe Work Australia has released new work health and safety (WHS) guidance on Japanese encephalitis for persons conducting a business or undertaking.

Japanese encephalitis is caused by the Japanese encephalitis virus (JEV). It is spread through mosquito bites and is more common in areas of increased mosquito activity.

Infection in humans is usually asymptomatic, but on rare occasions it can result in severe disease such as encephalitis (infection of the brain) and even death.

JEV spreads when a human is bitten by a mosquito that has previously bitten a pigor a wild waterbird infected with the virus. Japanese encephalitis has been detected in parts of South-Eastern Queensland, New South Wales, Northern Territory, Victoria and South Australia.

If you are a person conducting a business or undertaking (PCBU) in an area where Japanese encephalitis is a concern, you must do everything that is reasonably and visitors contracting it. Where you are unable to eliminate the risk, you must do everything that is reasonably practicable to minimise it.

To minimise risks, you must implement all reasonably practical control measures such as:
• Encouraging or ensuring vaccination, particularly if your workers have been identified as part of a group for priority vaccination
• Avoiding or minimising working outside where possible, especially dusk/evening and dawn when mosquitos are most active
• Eliminating mosquito breeding sites around the workplace where possible, including removing any debris which may collect standing water
• Ensuring workers avoid contact with bodily fluids and tissues of potentially infected animals, or if this is not possible, ensure workers have appropriate training in handling potentially contaminated animals and are provided with appropriate personal protective equipment such as masks, eye protection and gloves
• Installing insect screens on windows, doors, vents and other entrances
• Using insecticide sprays, vapour dispensing units (indoors) and mosquito coils (outdoors) to clear rooms or repel mosquitoes from an area, and
• Protecting workers and others at the workplace from being bitten by mosquitoes.

You must also provide information to workers on the risks and symptoms of Japanese encephalitis, and train workers in the use of controls.

For more info visit safeworkaustralia.gov.au/safety-topic/hazards/japanese-encephalitis

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