Nigeria - 2 new outbreaks of highly pathogenic avian influenza H5N8 in birds in farms, Plateau (OIE, January 30, 2017)

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Highly pathogenic avian influenza, Nigeria

Information received on 30/01/2017 from Dr Gideon Mbursa Mshelbwala, Director, Veterinary Services, Federal Ministry of Agriculture and Rural Development, ABUJA, Nigeria

Summary Report type Follow-up report No. 4 Date of start of the event 19/11/2016 Date of confirmation of the event 16/12/2016 Report date 30/01/2017 Date submitted to OIE 30/01/2017 Reason for notification New strain of a listed disease in the country Causal agent Highly pathogenic avian influenza virus Serotype H5N8 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country Related reports Immediate notification (17/12/2016) Follow-up report No. 1 (26/12/2016) Follow-up report No. 2 (16/01/2017) Follow-up report No. 3 (24/01/2017) Follow-up report No. 4 (30/01/2017)

New outbreaks (2)

Outbreak 1 Kufang, Jos South, PLATEAU Date of start of the outbreak 18/01/2017 Outbreak status Resolved (26/01/2017) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 2500 350 20 2170 0 Affected population 32 weeks old layers

Outbreak 2 Kufang, Jos South, PLATEAU Date of start of the outbreak 20/01/2017 Outbreak status Resolved (26/01/2017) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 1500 60 60 1440 0 Affected population 17 weeks old pullets

Summary of outbreaks Total outbreaks: 2 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 4000 410 80 3610 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 10.25% 2.00% 19.51% 92.25% *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 / Disinfestation Quarantine Official destruction of animal products Official disposal of carcasses, by-products and waste Modified stamping out Vaccination prohibited No treatment of affected animals Measures to be applied No other measures

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) 26/01/2017 Positive National Veterinary Research Institute, Vom (Regional Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 26/01/2017 Positive

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

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