African swine fever,
Zambia
Information received on 02/08/2020 from Dr Swithine Kabilika, Director, Veterinary Services, Ministry of Fisheries and Livestock, Lusaka, Zambia
Summary
Report type Immediate notification
Date of start of the event 13/07/2020
Date of confirmation of the event 13/07/2020
Report date 02/08/2020
Date submitted to OIE 02/08/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 20/11/2018
Manifestation of disease Clinical disease
Causal agent African swine fever virus
Nature of diagnosis Suspicion, Clinical, Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
New outbreaks (5)
Outbreak 1 Nakonde Central, Nakonde, Northern
Date of start of the outbreak 13/07/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 350 75 75 0 0
Affected population Domestic pigs under free range management.
Outbreak 2 Mungwi, Mungwi, Northern
Date of start of the outbreak 15/07/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 3150 1508 1508 0 0
Affected population Domestic pigs under free range management.
Outbreak 3 Shiwangandu, Ilondolo, Shiwangandu, Northern
Date of start of the outbreak 15/07/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 112 15 15 0 0
Affected population Domestic pigs under free range management.
Outbreak 4 Kabompo Central Vet Camp, Kabompo, North-Western
Date of start of the outbreak 20/07/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 1910 600 558 0 0
Affected population Domestic pigs under free range management.
Outbreak 5 Zambezi, Zambezi, North-Western
Date of start of the outbreak 29/07/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 1442 222 180 0 0
Affected population Domestic pigs under free range management.
Summary of outbreaks Total outbreaks: 5
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Swine 6964 2420 2336 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 34.75% 33.54% 96.53% 33.54%
*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
  • Fomites (humans, vehicles, feed, etc.)
Epidemiological comments Movement restrictions are being effected. Live pigs, pork and pork products are not allowed in or out of the affected areas.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Traceability
  • Quarantine
  • Ante and post-mortem inspections
  • 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
Central Veterinary Research Institute (CVRI) (National laboratory) Swine indirect ELISA Pending
Central Veterinary Research Institute (CVRI) (National laboratory) Swine polymerase chain reaction (PCR) Pending
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations