Foot and mouth disease,
Kenya
Information received on 09/05/2018 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 23/08/2017
Date of confirmation of the event 26/01/2018
Report date 08/05/2018
Date submitted to OIE 09/05/2018
Date event resolved 06/08/2018
Reason for notification New strain of a listed disease in the country
Causal agent Foot and mouth disease virus
Serotype O
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (08/05/2018)
Follow-up report No. 1 (17/05/2018)
Follow-up report No. 2 (24/05/2018)
Follow-up report No. 3 (08/06/2018)
Follow-up report No. 4 (15/06/2018)
Follow-up report No. 5 (22/06/2018)
Follow-up report No. 6 (02/07/2018)
Follow-up report No. 7 (16/07/2018)
Follow-up report No. 8 (06/08/2018)
New outbreaks (3)
Outbreak 1 Kiambu, Kiambu
Date of start of the outbreak 23/08/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Cattle 274 18 0 0 0
Affected population The outbreak occured in a herd of bulls used for collection of semen for artificial insemination.
Outbreak 2 Kabitet, Nandi
Date of start of the outbreak 23/01/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Cattle 60 4 0 0 0
Outbreak 3 Kathonzweni, Makueni
Date of start of the outbreak 24/01/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Cattle 8 2 0 0 0
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Cattle 342 24 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Cattle 7.02% 0.00% 0.00% 0.00%
*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
  • Fomites (humans, vehicles, feed, etc.)
  • Airborne spread
Epidemiological comments Although the disease has been historically present in the country, a new variant of serotype O was detected: topotype EA2. Further vaccine matching studies by virus neutralisation test revealed this finding.
Control measures
Measures applied
  • Movement control inside the country
  • Vaccination in response to the outbreak (s)
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Screening
  • Quarantine
  • Disinfection
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Foot and Mouth Disease Laboratory, Embakasi (Local laboratory) Cattle antibody detection ELISA 26/01/2018 Positive
Foot and Mouth Disease Laboratory, Embakasi (Local laboratory) Cattle real-time PCR 26/01/2018 Positive
The Pirbright Institute (OIE Reference Laboratory) Cattle virus sequencing 26/01/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations