African swine fever,
South Africa
Information received on 30/05/2018 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa
Report type Immediate notification
Date of start of the event 23/05/2018
Date of confirmation of the event 25/05/2018
Report date 30/05/2018
Date submitted to OIE 30/05/2018
Date event resolved 10/12/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 10/11/2017
Manifestation of disease Clinical disease
Causal agent African swine fever virus
Nature of diagnosis Clinical, Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
Related reports Immediate notification (30/05/2018)
Follow-up report No. 1 (13/12/2018)
New outbreaks (1)
Outbreak 1 (ASF_NCP_2018_001) ASF_NCP_2018_001, Nama Khoi, Northern Cape Province
Date of start of the outbreak 23/05/2018
Outbreak status Resolved (10/12/2018)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 100 23 23 77 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 100 23 23 77 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 23.00% 23.00% 100.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments Outbreak outside South Africa's ASF Control Zone. Coordinates modified to protect confidentiality as required by South African Legislation.
Control measures
Measures applied
  • Movement control inside the country
  • Quarantine
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Selective killing and disposal
Diagnostic test results
Laboratory name and type Species Test Test date Result
Agricultural Research Council - Onderstepoort Veterinary Institute - Transboundary Animal Diseases (OIE Reference Laboratory) Swine polymerase chain reaction (PCR) 25/05/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations