Ehrlichia canis,
Australia
Information received on 23/06/2020 from Dr Mark Schipp, Chief Veterinary Officer, Department of Agriculture, Water and the Environment, Australian Government, Canberra, Australia
Summary
Report type Follow-up report No. 1
Date of start of the event 13/05/2020
Date of confirmation of the event 30/05/2020
Report date 23/06/2020
Date submitted to OIE 23/06/2020
Reason for notification Emerging disease
Morbidity 3 %
Mortality 1 %
Zoonotic impact Transmissible to humans through tick bites
Causal agent Ehrilichia canis
Serotype Other
Related reports Immediate notification (05/06/2020)
Follow-up report No. 1 (23/06/2020)
Follow-up report No. 2 (17/07/2020)
New outbreaks (2)
Outbreak 1 Katherine region, Northern Territory
Date of start of the outbreak 17/06/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Dogs 14 0 0 0
Outbreak 2 Alice Springs region, Northern Territory
Date of start of the outbreak 17/06/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Dogs 130 2 0 0 0
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Dogs 130 16 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Dogs ** ** 0.00% **
*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 Following communications with veterinarians on the detection of E.canis in Kimberly region of WA, samples were submitted for E.canis exclusion from dogs exhibiting clinical signs consistent with disease. Epidemiological information is being collected. A response plan and surveillance plan are being prepared.
Control measures
Measures applied
  • Surveillance within containment and/or protection zone
  • Traceability
  • Control of vectors
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Berrimah Veterinary Laboratory (Local laboratory) Dogs indirect fluorescent antibody (IFA) test 18/06/2020 Positive
Australian Centre for Disease Preparedness (National laboratory) Dogs indirect fluorescent antibody (IFA) test 17/06/2020 Positive
Australian Centre for Disease Preparedness (National laboratory) Dogs polymerase chain reaction (PCR) 17/06/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations