Highly pathogenic avian influenza,
Niger
Information received on 22/04/2015 from Dr Ibrahim Bangana, Directeur Général, Services Vétérinaires, Services Vétérinaires, Niamey, Niger
Summary
Report type Immediate notification
Date of start of the event 02/04/2015
Date of confirmation of the event 21/04/2015
Report date 21/04/2015
Date submitted to OIE 22/04/2015
Date event resolved 13/03/2017
Reason for notification Recurrence of a listed disease
Date of previous occurrence 09/06/2006
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Suspicion, Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
Related reports Immediate notification (21/04/2015)
Follow-up report No. 1 (27/01/2016)
Follow-up report No. 2 (13/03/2017)
New outbreaks (1)
Outbreak 1 Holding Dan Gona, Maradi, Maradi
Date of start of the outbreak 02/04/2015
Outbreak status Resolved (13/03/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 2440 2440 2290 0 0
Affected population Laying hens and breeding parents
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 2440 2440 2290 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 100.00% 93.85% 93.85% 93.85%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Control measures
Measures applied
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Movement control inside the country
  • Screening
  • Disinfection / Disinfestation
  • Quarantine
  • Stamping out
  • Control of wildlife reservoirs
  • Zoning
Diagnostic test results
Laboratory name and type Species Test Test date Result
Istituto Zooprofilattico Sperimentale delle Venezie, Padua, Italy (OIE Reference Laboratory) Birds gene sequencing 21/04/2015 Positive
Istituto Zooprofilattico Sperimentale delle Venezie, Padua, Italy (OIE Reference Laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 21/04/2015 Positive
Istituto Zooprofilattico Sperimentale delle Venezie, Padua, Italy (OIE Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 21/04/2015 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations