Pet owners are being encouraged to ensure their pet's vaccinations are current following a recent increase in parvovirus.
City of Kalgoorlie-Boulder CEO John Walker said City rangers were proactively notifying the community of the suspected increase in the potentially fatal virus.
"Puppies, unvaccinated dogs or dogs that have not had the parvovirus booster shot are the most susceptible to contracting this highly contagious and often deadly virus, however dogs of any age or breed can be infected," Mr Walker said.
"Parvovirus is contagious to dogs only - it does not affect cats or humans.
"The main source of the virus is from the faeces of infected dogs.
"The virus can remain active for months on contaminated objects or in soil meaning a dog does not have to have had contact with another dog to become infected."
Mr Walker urged residents to ensure that their pet's vaccinations were up-to-date, especially young puppies, and warned owners against buying vaccines without prescriptions over the internet.
"Prevention is more important than the cure in the case of parvovirus so if people have concerns about their dog's health they should contact their local vet immediately for advice," he said.
"Vaccinating your dog will strongly reduce the possibility of them contracting parvovirus so I urge owners to consult their local vet rather than risk their pet's life with potentially ineffective vaccinations purchased online."
Common symptoms of parvovirus include loss of appetite; depression; lethargy; abdominal pain; fever; vomiting with or without blood; and foul smelling diarrhoea with or without blood.