Information received on 15/02/2021 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
Follow-up report No. 1
Date of start of the event
17/12/2020
Date of confirmation of the event
29/01/2021
Report date
15/02/2021
Date submitted to OIE
15/02/2021
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
11/02/2020
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic avian influenza virus
Serotype
H5N1
Nature of diagnosis
Laboratory (advanced)
This event pertains to
a defined zone within the country
Related reports
Immediate notification (31/01/2021)
Follow-up report No. 1 (15/02/2021)
New outbreaks (3)

Outbreak 1
Dausayi, Dausayi, Ungogo, Kano
Date of start of the outbreak
27/01/2021
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
3675
268
153
3522
0
Affected population
Affected birds are layers and mainly adults. The farms in the cluster are close farms where exchange of materials and workers take place.
Outbreak 2
Jos north, Jos north, Jos north, Plateau
Date of start of the outbreak
28/01/2021
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
7505
600
416
7089
0
Affected population
The farm affected is a commercial farm with mainly layers
Outbreak 3
Tilden Fulani, Unguwan Tilibali, Toro, Bauchi
Date of start of the outbreak
08/02/2021
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
2446
400
126
2320
0
Affected population
The affected population consist of layers, broilers, local chickens and Turkey. Trace back investigation showed that the owner of the birds introduced new birds to the farm from Jos, Plateau state, where the outbreak has already been reported.
Summary of outbreaks
Total outbreaks: 3
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
13626
1268
695
12931
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
9.31%
5.10%
54.81%
100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
Introduction of new live animals
Illegal movement of animals
Animals in transit
Vectors
Epidemiological comments
Outbreak investigation is still on.

Control measures
Measures applied
Traceability
Stamping out
Disinfection
Vaccination prohibited
No treatment of affected animals
Measures to be applied
No other measures

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