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
  • Zoning
  • Control of wildlife reservoirs
  • Stamping out
  • Quarantine
  • Disinfection / Disinfestation
  • Screening
  • Movement control inside the country
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