African swine fever,
Information received on 31/07/2020 from Dr Olaniran Alabi, Director, Chief Veterinary Officer, Veterinary and Pest Control Services, Federal Ministry of Agriculture and Rural Development, ABUJA, Nigeria
Report type Follow-up report No. 6
Date of start of the event 26/05/2020
Date of confirmation of the event 06/06/2020
Report date 31/07/2020
Date submitted to OIE 31/07/2020
Reason for notification Unexpected change in the distribution or increase in morbidity or mortality of a listed disease
Summary description The disease is already confirmed in Two states with very high morbidity and mortality. Three other states awaiting laboratory confirmation are also reporting similar mortality patterns.
Manifestation of disease Clinical disease
Causal agent African swine fever virus
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (16/06/2020)
Follow-up report No. 1 (23/06/2020)
Follow-up report No. 2 (02/07/2020)
Follow-up report No. 3 (10/07/2020)
Follow-up report No. 4 (17/07/2020)
Follow-up report No. 5 (24/07/2020)
Follow-up report No. 6 (31/07/2020)
Follow-up report No. 7 (07/08/2020)
Follow-up report No. 8 (16/08/2020)
Follow-up report No. 9 (22/08/2020)
Follow-up report No. 10 (30/08/2020)
Follow-up report No. 11 (08/09/2020)
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments Update as at 31st July, 2020: Outbreaks have been confirmed in other states including Edo, Benue, Rivers and Plateau. More farms in the states that earlier reported the disease are also being infected.
Increased Distribution
State Species
Lagos Swine
Abia Swine
Ogun Swine
Rivers Swine
Plateau Swine
Kaduna Swine
Edo Swine
Delta Swine
Benue Swine
Disease Impact
Increased State Species Change
Morbidity Lagos Swine 1=>5
Morbidity Abia Swine 1=>5
Morbidity Ogun Swine 1=>4
Morbidity Rivers Swine 1=>3
Morbidity Plateau Swine 1=>5
Morbidity Kaduna Swine 1=>2
Morbidity Edo Swine 1=>3
Morbidity Delta Swine 1=>3
Morbidity Benue Swine 1=>3
Mortality Lagos Swine 1=>5
Mortality Abia Swine 1=>5
Mortality Ogun Swine 1=>4
Mortality Rivers Swine 1=>3
Mortality Plateau Swine 1=>5
Mortality Kaduna Swine 1=>2
Mortality Edo Swine 1=>3
Mortality Delta Swine 1=>3
Mortality Benue Swine 1=>3
Control measures
Measures applied
  • Surveillance outside containment and/or protection zone
  • Traceability
  • Official disposal of carcasses, by-products and waste
  • Disinfection
  • Ante and post-mortem inspections
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Movement control inside the country
  • Quarantine
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.