General information
Report type: Immediate notification
Started: 31 Dec 2021
Confirmed: 4 Jan 2022
Reported: 6 Jan 2022
Reason for notification: Recurrence
Last occurrence: 14 Jul 2021
Manifestation of disease: Clinical disease
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: Clinical, laboratory
This event pertains to a defined zone within the whole country.

Outbreak location: Rive Droite, Lamorde, Niamey, Niamey.
Date of start of the outbreak: 31 Dec 2021
Epidemiological unit: Farm
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 18 575 / 1400 / 1400 / 0 / 0 / 0
Affected population: The affected subjects are 6-month-old laying hens
on a farm.

Epidemiology
Source of the outbreak(s) or origin of infection: Unknown or
inconclusive

Control measures at event level
Domestic control measures applied: Zoning, surveillance within
containment and/or the protection zone, surveillance outside
containment and/or the protection zone, official disposal of
carcasses, by-products and waste, control of wildlife reservoirs,
stamping out.
Wild control measures applied: Control of wildlife reservoirs

Diagnostic test results:
Laboratory name and type / Species / Outbreaks / Test / Test date /
Result
Laboratoire central de l´Elevage (LABOCEL) (national laboratory) /
birds / 1 / Real-time polymerase chain reaction (real-time PCR) / 4
Jan 2022 / positive