African swine fever,
Information received on 17/12/2019 from Dr. I Ketut Diarmita, Director General of Livestock and Animal Health Services, Livestock and Animal Health Services, Ministry of Agriculture of Indonesia, Jakarta, Indonesia
Report type Immediate notification
Date of start of the event 04/09/2019
Date of confirmation of the event 18/11/2019
Report date 17/12/2019
Date submitted to OIE 17/12/2019
Reason for notification First occurrence of a listed disease in the country
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 (17/12/2019)
Follow-up report No. 1 (17/01/2020)
Follow-up report No. 2 (14/02/2020)
New outbreaks (521)
Outbreak cluster 1 Sumatera Utara Province, Sumatera Utara (521 outbreaks)
Date of start of the outbreak 04/09/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 1228951 38123 38123 0 0
Affected population There are 521 outbreaks in backyard pig farms in Sumatera Utara Province. The disease spread to twenty one districts out of 33. Pigs population in Sumatera Utara Province is estimated to be 1,228,951 heads based on Livestock and Animal Health Statistics (DGLAHS, 2018).
Summary of outbreaks Total outbreaks: 521
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 1228951 38123 38123 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 3.10% 3.10% 100.00% 3.10%
*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 Following reports of an increase of pigs death In Several Districts in North Sumatera, a veterinary inquiry was undertaken and official tests identified the presence of African swine fever. From the investigation results, cases were reported in Dairi district and rapidly spread to 16 out of 33 districts in North Sumatera. Source of infection is inconclusive, however rapid risk assessment shows that transportation of live pigs from another area is and contaminated fomite from an animal handler, vehicle and animal feed play a role in this infection. Disposal of the dead pigs, cleansing and disinfection are being implemented. Updates will be provided in the weekly reports (scheduled for every Friday) as further information becomes available.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Quarantine
  • Official disposal of carcasses, by-products and waste
  • Zoning
  • Disinfection
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Disease Investigation Center Medan (National laboratory) Swine real-time PCR 18/11/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations