Ehrlichia canis,
Australia
Information received on 05/06/2020 from Dr Mark Schipp, Chief Veterinary Officer, Department of Agriculture, Water and the Environment, Australian Government, Canberra, Australia
Summary
Report type Immediate notification
Date of start of the event 13/05/2020
Date of confirmation of the event 30/05/2020
Report date 05/06/2020
Date submitted to OIE 05/06/2020
Reason for notification Emerging disease
Morbidity 75 %
Mortality 12.5 %
Zoonotic impact Transmissible to humans through tick bites
Causal agent Ehrlichia canis
Serotype Pending
Related reports Immediate notification (05/06/2020)
Follow-up report No. 1 (23/06/2020)
New outbreaks (1)
Outbreak 1 Kununurra, Western Australia
Date of start of the outbreak 13/05/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Dogs 8 1
Affected population Domestic household dogs
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Dogs 8 1
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Dogs ** ** 12.50% **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments Government agencies in Australia will undertake further surveillance for Ehrlichia canis in the dog population in northern Australia. This information will inform Australiaís response policy, which will be outlined in follow-up reports. Australia notes that Ehrlichia canis is not an OIE-listed disease. However, due to the pathogenís importance as a trade-related and zoonotic disease, and in the spirit of transparency, Australia has submitted this OIE notification.
Control measures
Measures applied
  • Movement control inside the country
  • Traceability
  • Surveillance within containment and/or protection zone
  • Control of vectors
  • Vaccination permitted (if a vaccine exists)
  • Treatment of affected animals (Affected dogs sampled and treated by a private veterinarian in Kununurra. Dogs have been administered tick treatment and are on antibiotic treatment.)
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Australian Centre for Disease Preparedness (National laboratory) Dogs gene sequencing Pending
Australian Centre for Disease Preparedness (National laboratory) Dogs indirect fluorescent antibody (IFA) test 30/05/2020 Positive
Australian Centre for Disease Preparedness (National laboratory) Dogs polymerase chain reaction (PCR) 30/05/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations