African horse sickness,
Cameroon
Information received on 17/04/2019 from Dr Marcel Casimir Ndongo Kounou, Directeur, Services vétérinaires, Ministère de l'Elevage, des Pêches & des Industries Animales , YAOUNDE, Cameroon
Summary
Report type Immediate notification
Date of start of the event 10/03/2019
Date of confirmation of the event 20/03/2019
Report date 17/04/2019
Date submitted to OIE 17/04/2019
Reason for notification First occurrence of a listed disease in the country
Causal agent African horse sickness virus
Serotype Pending
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
New outbreaks (2)
Outbreak 1 Guili, Bourha, Mayo-Tsanaga, Extreme-Nord
Date of start of the outbreak 10/03/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 3250 124 36
Affected population Species of donkeys and horses of different age groups in a rural community, raised mainly as work animals.
Outbreak 2 Bourha, Bourha, Mayo-Tsanaga, Extreme-Nord
Date of start of the outbreak 10/03/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 382 148 8
Affected population Species of donkeys and horses of different age groups in a rural community, raised mainly as work animals.
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 3632 272 44
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Equidae 7.49% 1.21% 16.18% **
*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
  • Introduction of new live animals
  • Legal movement of animals
  • Vectors
Epidemiological comments Extensive epidemiological investigations are ongoing (particularly in the three northern regions: Adamaoua, North and Far North) and provisionary measures were taken according to Law 006 of 16 April 2001 on animal health standards applying to livestock diseases legally considered as contagious and notifiable and according to the OIE Terrestrial Animal Health Code.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Disinfection
  • Disinfestation
  • Control of vectors
  • Vector surveillance
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Vaccination in response to the outbreak (s)
  • Traceability
  • Official disposal of carcasses, by-products and waste
  • Zoning
Diagnostic test results
Laboratory name and type Species Test Test date Result
Laboratoire National Vétérinaire (LANAVET) (National laboratory) Equidae indirect ELISA 20/03/2019 Positive
National veterinary laboratory (LANAVET) (National laboratory) Equidae liquid-phase blocking ELISA 20/03/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations