Highly pathogenic avian influenza,
Information received on 19/01/2017 from Dr Ibrahim Bangana, Directeur Général, Services Vétérinaires, Services Vétérinaires, Niamey, Niger
Report type Follow-up report No. 2
Date of start of the event 21/02/2016
Date of confirmation of the event 26/05/2016
Report date 19/01/2017
Date submitted to OIE 19/01/2017
Date event resolved 20/09/2017
Reason for notification Recurrence 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)
Follow-up report No. 4 (20/09/2017)
New outbreaks (1)
Outbreak 1 Quartier Plateau, Commune 3, Tillaberi
Date of start of the outbreak 05/12/2016
Outbreak status Resolved (20/09/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 22 14 14 0 8
Affected population Household farm including, among others, 13 ducks and 9 hens. During investigations, losses are estimated at 14 poultry (6 ducks and 8 hens).
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 22 14 14 0 8
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 63.64% 63.64% 100.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
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
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Movement control inside the country
  • Screening
  • Disinfection
  • Traceability
  • Quarantine
  • Surveillance outside containment and/or protection zone
  • Stamping out
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Surveillance within containment and/or protection zone
  • Zoning
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations