OIE: Highly pathogenic avian influenza (H5N1), Niger

Information received on 5 Mar 2021 from Ali Seidou, OIE Focal Point
for animal disease reporting, Niger

Summary
Report type: Immediate notification
Date of start of the event: 17 Feb 2021
Date of confirmation of the event: 3 Mar 2021
Reason for notification: Recurrence of a listed disease
Date of previous occurrence: 20 Sep 2017
Manifestation of disease: Clinical disease
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: Clinical, laboratory (basic and advanced)
This event pertains to a defined zone within the country.

New outbreaks (2)
Summary of outbreaks
Total outbreaks: 2
Outbreak location 1: Niamey Karadje [Niamey]
Date of start of the outbreak: 17 Feb 2021
Outbreak status: Continuing (or date resolved not provided)
Epidemiological unit: Backyard
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered
Birds / 40 / 21 / 20 / 0 / 0
Affected population: Hens (Brahma breed) in a backyard

Outbreak location 2: Niamey Saguia [Niamey]
Date of start of the outbreak: 25 Feb 2021
Outbreak status: Continuing (or date resolved not provided)
Epidemiological unit: Farm
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered
Birds / 28 000 / 257 / 200 / 0 / 0
Affected population: Layers (Isa Brown breed)

Epidemiology
Source of the outbreak(s) or origin of infection: Airborne spread

Control measures
Measures applied: Surveillance outside containment and/or protection
zone; surveillance within containment and/or protection zone;
traceability; zoning; official disposal of carcasses, by-products, and
waste; disinfection
Measures to be applied: Stamping out; control of wildlife reservoirs

Diagnostic test results
Laboratory name and type / Species / Test / Test date / Result
LABOCEL (national laboratory) / Birds / Reverse
transcriptase-polymerase chain reaction (RT-PCR) / 3 Mar 2021 /
Positive

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