Kenya - 3 new outbreaks of Bluetongue disease in sheep in farms, Samburu, Nakuru (OIE, July 20, 2018)

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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 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

New outbreaks (3)

Outbreak 1 Samburu Central, Samburu Date of start of the outbreak 20/06/2018 Outbreak status Continuing (or date resolved not provided) 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 Continuing (or date resolved not provided) 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 Continuing (or date resolved not provided) 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.

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http://www.oie.int/wahis_2/public/wa...reportid=27259