Foot and mouth disease,
Botswana
Information received on 14/10/2020 from Dr Letlhogile Modisa, Director, Veterinary Services, Ministry of Agriculture, Gaborone, Botswana
Summary
Report type Immediate notification
Date of start of the event 13/09/2020
Date of confirmation of the event 13/10/2020
Report date 14/10/2020
Date submitted to OIE 14/10/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 21/12/2018
Manifestation of disease Clinical disease
Causal agent Foot and mouth disease virus
Serotype SAT 1
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 Malatso, 2d, Ngamiland, Ngamiland
Date of start of the outbreak 13/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Cattle 16750 13 4 0 0
Affected population Cattle grazing in a communal area
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Cattle 16750 13 4 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Cattle 0.08% 0.02% 30.77% 0.02%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Contact with infected animal(s) at grazing/watering
  • Contact with wild species
Epidemiological comments Cattle were reported by farmers as showing signs of lameness, salivation and difficulty walking. After reporting to the nearest Animal Health office, the Emergency Disease Alert Team was activated and on arrival at the crush confirmed on clinical grounds that the 13 animals they inspected had clinical signs consistent with Foot and Mouth Disease. Samples were taken and submitted to the OIE reference laboratory, Botswana Vaccine Institute, for testing. Results are positive for SAT 1. Meanwhile movement restrictions have been applied in the whole 2d for all FMD susceptible animals. Biosecurity has been enforced including disinfection and control on potentially contaminated products and fomites.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Traceability
  • Disinfection
  • 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)
  • Official disposal of carcasses, by-products and waste
  • Control of wildlife reservoirs
Diagnostic test results
Laboratory name and type Species Test Test date Result
Botswana Vaccine Institute (OIE Reference Laboratory) Cattle real-time PCR 13/10/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations