African swine fever,
Nigeria

Information received on 16/06/2020 from Dr Olaniran Alabi, Director, Chief Veterinary Officer, Veterinary and Pest Control Services, Federal Ministry of Agriculture and Rural Development, ABUJA, Nigeria

Summary

Report type	Immediate notification
Date of start of the event	26/05/2020
Date of confirmation of the event	06/06/2020
Report date	16/06/2020
Date submitted to OIE	16/06/2020
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	a defined zone within the 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)

Epidemiology

Source of the outbreak(s) or origin of infection	Unknown or inconclusive
Epidemiological comments	The outbreak started in February but with minimal fatality, but then, the number of mortalities increased drastically in May/June. The affected pig population are in a pig village, a large pig farm settlement that feeds several other pig markets within and outside the country.

Increased Distribution

State	Species
Lagos	Swine
Abia	Swine

Disease Impact

Increased	State	Species	Change
Morbidity	Lagos	Swine	1=>5
Morbidity	Abia	Swine	1=>5
Mortality	Lagos	Swine	1=>5
Mortality	Abia	Swine	1=>5

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

Diagnostic test results

Laboratory name and type	Species	Test	Test date	Result
National Veterinary Research Institute (Regional Reference Laboratory)	Swine	polymerase chain reaction (PCR)	06/06/2020	Positive

Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.