A health warning has been issued for south-west Sydney after the Ross River virus was detected across the city.
Residents are being told to be on high alert and to cover up when possible after it’s been discovered that mosquitoes in and around Bankstown are carrying the virus.
Health officials have told those living near the Georges River to be particularly careful.
There is no cure for the Ross River virus which can leave sufferers with a fever or flu-like illness and swelling of the joints for up to six weeks.
Trapped mosquitoes at Deepwater Park in Bankstown were found with the virus. Eastern parts of Liverpool are also at risk.
The Ross River virus is carried by some female mosquitoes, which can pass it on to animals and humans through bites.
The virus is not contagious and can’t be spread between infected people.
Experts have said that the best way to protect yourself against the virus is to cover up, especially at dawn or dusk, use insect repellents and check your fly screens to keep mosquitoes out of the house.