Highly pathogenic avian influenza,
Nigeria

Information received on 13/03/2017 from Dr Gideon Mbursa Mshelbwala, Director, Veterinary Services, Federal Ministry of Agriculture and Rural Development, ABUJA, Nigeria

Summary

Report type	Follow-up report No. 48
Date of start of the event	02/01/2015
Date of confirmation of the event	08/01/2015
Report date	13/03/2017
Date submitted to OIE	13/03/2017
Reason for notification	Recurrence of a listed disease
Date of previous occurrence	27/07/2008
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N1
Nature of diagnosis	Clinical, Laboratory (advanced)
This event pertains to	the whole country
Related reports	Immediate notification (09/01/2015) Follow-up report No. 1 (16/01/2015) Follow-up report No. 2 (23/01/2015) Follow-up report No. 3 (02/02/2015) Follow-up report No. 4 (19/02/2015) Follow-up report No. 5 (02/03/2015) Follow-up report No. 6 (13/05/2015) Follow-up report No. 7 (22/06/2015) Follow-up report No. 8 (07/07/2015) Follow-up report No. 9 (04/08/2015) Follow-up report No. 10 (26/08/2015) Follow-up report No. 11 (14/09/2015) Follow-up report No. 12 (19/09/2015) Follow-up report No. 13 (08/10/2015) Follow-up report No. 14 (16/11/2015) Follow-up report No. 15 (15/12/2015) Follow-up report No. 16 (04/01/2016) Follow-up report No. 17 (11/01/2016) Follow-up report No. 18 (13/01/2016) Follow-up report No. 19 (19/01/2016) Follow-up report No. 20 (21/01/2016) Follow-up report No. 21 (25/01/2016) Follow-up report No. 22 (26/01/2016) Follow-up report No. 23 (02/02/2016) Follow-up report No. 24 (04/02/2016) Follow-up report No. 25 (08/02/2016) Follow-up report No. 26 (09/02/2016) Follow-up report No. 27 (11/02/2016) Follow-up report No. 28 (15/02/2016) Follow-up report No. 29 (17/02/2016) Follow-up report No. 30 (22/02/2016) Follow-up report No. 31 (29/02/2016) Follow-up report No. 32 (04/03/2016) Follow-up report No. 33 (07/03/2016) Follow-up report No. 34 (08/03/2016) Follow-up report No. 35 (14/03/2016) Follow-up report No. 36 (20/03/2016) Follow-up report No. 37 (29/03/2016) Follow-up report No. 38 (03/04/2016) Follow-up report No. 39 (06/06/2016) Follow-up report No. 40 (09/06/2016) Follow-up report No. 41 (27/09/2016) Follow-up report No. 42 (09/11/2016) Follow-up report No. 43 (28/11/2016) Follow-up report No. 44 (06/02/2017) Follow-up report No. 45 (13/02/2017) Follow-up report No. 46 (21/02/2017) Follow-up report No. 47 (03/03/2017) Follow-up report No. 48 (13/03/2017) Follow-up report No. 49 (20/03/2017) Follow-up report No. 50 (29/03/2017) Follow-up report No. 51 (04/04/2017) Follow-up report No. 52 (10/04/2017) Follow-up report No. 53 (24/04/2017) Follow-up report No. 54 (08/05/2017) Follow-up report No. 55 (02/06/2017) Follow-up report No. 56 (15/06/2017) Follow-up report No. 57 (28/06/2017) Follow-up report No. 58 (18/07/2017) Follow-up report No. 59 (02/08/2017) Follow-up report No. 60 (07/09/2017) Follow-up report No. 61 (19/09/2017) Follow-up report No. 62 (03/10/2017)

New outbreaks (3)

Outbreak 1

Gindiri, Mangu, PLATEAU

Date of start of the outbreak

01/03/2017

Outbreak status

Resolved (05/03/2017)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	806	26	26	780	0

Affected population

30 and 32 weeks old layers

Outbreak 2

Bakori, Bakori, KATSINA

Date of start of the outbreak

01/03/2017

Outbreak status

Resolved (08/03/2017)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	3198	320	320	2878	0

Affected population

56 weeks old layers

Outbreak 3

Toro, Toro, BAUCHI

Date of start of the outbreak

02/03/2017

Outbreak status

Resolved (07/03/2017)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	14500	4836	4836	9664	0

Affected population

19 weeks old layers

Summary of outbreaks

Total outbreaks: 3

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	18504	5182	5182	13322	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	28.00%	28.00%	100.00%	100.00%

*Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology

Source of the outbreak(s) or origin of infection	Unknown or inconclusive
Epidemiological comments	Poor farm biosecurity

Control measures

Measures applied	Movement control inside the country Disinfection Quarantine Official destruction of animal products Official disposal of carcasses, by-products and waste Selective killing and disposal Vaccination prohibited No treatment of affected animals
Measures to be applied	Traceability

Diagnostic test results

Laboratory name and type	Species	Test	Test date	Result
National Veterinary Research Institute, Vom (Regional Reference Laboratory)	Birds	reverse transcription - polymerase chain reaction (RT-PCR)	03/03/2017	Positive
National Veterinary Research Institute, Vom (Regional Reference Laboratory)	Birds	reverse transcription - polymerase chain reaction (RT-PCR)	06/03/2017	Positive
National Veterinary Research Institute, Vom (Regional Reference Laboratory)	Birds	reverse transcription - polymerase chain reaction (RT-PCR)	06/03/2017	Positive

Future Reporting

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

Map of outbreak locations