Rabbit haemorrhagic disease,
Nigeria
Information received on 13/10/2020 from Dr Olaniran Alabi, Director, Chief Veterinary Officer, Veterinary and Pest Control Services, Federal Ministry of Agriculture and Rural Development, ABUJA, Nigeria
Summary
Report type Immediate notification
Date of start of the event 28/09/2020
Date of confirmation of the event 13/10/2020
Report date 13/10/2020
Date submitted to OIE 13/10/2020
Reason for notification First occurrence of a listed disease in the country
Causal agent Rabbit haemorrhagic disease virus
Serotype RHDV2
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (13/10/2020)
Follow-up report No. 1 (25/10/2020)
New outbreaks (21)
Outbreak cluster 1 Ilorin, Sango, Ilorin West, Kwara (20 outbreaks)
Date of start of the outbreak 28/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Rabbits 85 65 62 3 0
Affected population The rabbit farm affected is in Sango, Ilorin. Clinical signs observed include slight mucoid tinged faces and sudden death. Similar clinical signs as above have been observed in other farms in two of the three geopolitical zones in the state, viz: Kwara Central and Kwara South. These places include: Pipeline in Ilorin, Gaa Odoota and Airport axis in Ilorin.
Outbreak 2 Ibadan, University of Ibadan, Ibadan, Oyo
Date of start of the outbreak 28/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Rabbits 1500 1005 650 355 0
Affected population The disease affected domesticated rabbits of all ages in both Kwara and Oyo. Rabbit farmers in two out of the three geopolitical zones in Kwara state declare similar signs (slight mucoid tinged feaces and sudden death) being observed in their farms.
Summary of outbreaks Total outbreaks: 21
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Rabbits 1585 1070 712 358 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Rabbits 67.51% 44.92% 66.54% 67.51%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments Being first time it is occurring in the country, no vaccination available for the disease yet
Control measures
Measures applied
  • Disinfection
  • Selective killing and disposal
  • Screening
  • 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
National Veterinary Research Institute, Vom (NVRI) (Regional Reference Laboratory) Rabbits polymerase chain reaction (PCR) 13/10/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations