Information received on 08/02/2021 from Dr Ahmed Chawki El Karim Boughalem, Directeur des Services Vétérinaires, Direction des Services Vétérinaires, Ministère de l’Agriculture, du Développement Rural et de la Pêche, Alger, Algeria
Summary
Report type
Immediate notification
Date of start of the event
17/01/2021
Date of confirmation of the event
26/01/2021
Report date
08/02/2021
Date submitted to OIE
08/02/2021
Reason for notification
New strain of a listed disease in the country
Causal agent
Highly pathogenic influenza A virus
Serotype
H5N8
Nature of diagnosis
Clinical, Laboratory (advanced)
This event pertains to
a defined zone within the country
New outbreaks (1)

Outbreak 1
A?n Fakroun, Ain Fakroun, Ain Fakroun, Oum El Bouaghi
Date of start of the outbreak
17/01/2021
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
51200
51200
50000
1200
0
Affected population
A farm with 29-week-old layer hens showing clinical signs suggesting avian influenza.
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
51200
51200
50000
1200
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
100.00%
97.66%
97.66%
100.00%
*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
Movement control inside the country
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Official disposal of carcasses, by-products and waste
Stamping out
Control of wildlife reservoirs
Zoning
Disinfection
Vaccination prohibited
No treatment of affected animals
Measures to be applied
Traceability
Diagnostic test results
Laboratory name and type
Species
Test
Test date
Result
Central Veterinary Laboratory (National laboratory)
Birds
antigen (Ag) detection ELISA
26/01/2021
Positive
Central Veterinary Laboratory (National laboratory)
Birds
haemagglutination inhibition test (HIT)
01/02/2021
Positive
Central Veterinary Laboratory (National laboratory)
Birds
neuraminidase inhibition assay
04/02/2021
Positive
Central Veterinary Laboratory (National laboratory)
Birds
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)
26/01/2021
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.