Bluetongue,
Kenya
Information received on 20/07/2018 from Dr Obadiah Nyaga Njagi, Director of Veterinary Services, Directorate of Veterinary Services, State Department of Livestock, Ministry of Agriculture, Livestock and Fisheries, NAIROBI, Kenya
Summary
Report type Immediate notification
Date of start of the event 20/06/2018
Date of confirmation of the event 25/06/2018
Report date 20/07/2018
Date submitted to OIE 20/07/2018
Date event resolved 08/11/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 1998
Manifestation of disease Clinical disease
Causal agent Bluetongue virus
Serotype Not typed
Nature of diagnosis Laboratory (basic)
This event pertains to a defined zone within the country
Related reports Immediate notification (20/07/2018)
Follow-up report No. 1 (06/08/2018)
Follow-up report No. 2 (15/08/2018)
Follow-up report No. 3 (28/08/2018)
Follow-up report No. 4 (21/09/2018)
Follow-up report No. 5 (08/11/2018)
New outbreaks (3)
Outbreak 1 Samburu Central, Samburu
Date of start of the outbreak 20/06/2018
Outbreak status Resolved (08/11/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Sheep 350 64 0 0 0
Outbreak 2 Gilgil, Nakuru
Date of start of the outbreak 20/06/2018
Outbreak status Resolved (08/11/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Sheep 100 10 5 0 0
Outbreak 3 Nakuru, Nakuru
Date of start of the outbreak 20/06/2018
Outbreak status Resolved (08/11/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Sheep 150 15 0 0 0
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Sheep 600 89 5 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Sheep 14.83% 0.83% 5.62% 0.83%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Illegal movement of animals
  • Contact with infected animal(s) at grazing/watering
  • Vectors
Control measures
Measures applied
  • Movement control inside the country
  • Quarantine
  • Ante and post-mortem inspections
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Vaccination in response to the outbreak (s)
Diagnostic test results
Laboratory name and type Species Test Test date Result
Central veterinary laboratory (National laboratory) Sheep enzyme-linked immunosorbent assay (ELISA) 13/07/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations