Niger - 1 new outbreak of highly pathogenic avian influenza H5N1 in birds on farm in Tillaberi (OIE, February 21, 2017)

[Pathfinder]

Highly pathogenic avian influenza, Niger

Information received on 21/02/2017 from Dr Ibrahim Bangana, Directeur G?n?ral, Services V?t?rinaires, Services V?t?rinaires, Niamey, Niger

Summary Report type Follow-up report No. 3 Date of start of the event 21/02/2016 Date of confirmation of the event 26/05/2016 Report date 21/02/2017 Date submitted to OIE 21/02/2017 Reason for notification Reoccurrence of a listed disease Date of previous occurrence 2015 Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H5N1 Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced), Necropsy This event pertains to a defined zone within the country Related reports Immediate notification (02/06/2016) Follow-up report No. 1 (29/06/2016) Follow-up report No. 2 (19/01/2017) Follow-up report No. 3 (21/02/2017)

New outbreaks (1)

Outbreak 1 Niamey, Saga, Niamey, TILLABERI Date of start of the outbreak 07/01/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 33537 4893 2993 0 30500 Affected population Layer and broiler farms

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 33537 4893 2993 0 30500 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 14.59% 8.92% 61.17% 99.87% *Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology Source of the outbreak(s) or origin of infection Unknown or inconclusive Introduction of new live animals Fomites (humans, vehicles, feed, etc.)

Control measures Measures applied Movement control inside the country Disinfection / Disinfestation Traceability Quarantine Surveillance outside containment and/or protection zone Official disposal of carcasses, by-products and waste Surveillance within containment and/or protection zone Vaccination prohibited No treatment of affected animals Measures to be applied Zoning

Diagnostic test results Laboratory name and type Species Test Test date Result Experimental Zooprophylactic Institute (IZS), Venezie - Padova (OIE Reference Laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 17/02/2017 Positive

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

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