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2023-10-3 15:21:45

OIE: Highly pathogenic avian influenza (H5N8), Estonia
submited by kickingbird at Feb, 23, 2021 9:12 AM from OIE

Report type: immediate notification
Date of start of the event: 17 Feb 2021
Date of confirmation of the event: 18 Feb 2021
Reason for notification: 1st occurrence of a listed disease
Causal agent: Highly pathogenic avian influenza [HPAI] virus
Serotype: H5N8
Nature of diagnosis: laboratory (advanced)
This event pertains to the whole country.

New outbreaks (1)
Summary of outbreaks
Total outbreaks: 1
Outbreak location: Viru-Nigula parish, Laane-Viru
Date of start of the outbreak: 17 Feb 2021
Outbreak status: continuing (or date resolved not provided)
Epidemiological unit: farm
Total animals affected
Species / Susceptible / Cases / Deaths / Destroyed / Slaughtered
Birds / 78 / 7 / 7 / 71 / 0
Affected population: 51 laying hens, 10 ducks, 4 geese, 5 turkeys, 8
guinea fowls.

Outbreak statistics [rates apparent, expressed as percentages]
Species / Morbidity rate / Mortality rate / Case fatality rate /
Proportion susceptible animals lost*
[Birds / 8.97 / 8.97 / 100 / 100]
*Removed from the susceptible population through death, destruction,
and/or slaughter

Source of the outbreak(s) or origin of infection: unknown or

Control measures
Measures applied: movement control inside the country; surveillance
within containment and or the protection zone; quarantine; screening;
traceability; zoning; stamping out; official destruction of animal
products; official disposal of carcasses, by-products and waste;
disinfection; control of wildlife reservoirs; vaccination prohibited;
no treatment of affected animals
Measures to be applied: No other measures

Diagnostic test results
Laboratory name and type: Veterinary and Food Laboratory of Estonia
(national laboratory)
Species / Test / Test date / Result
Birds / real-time reverse transcriptase/polymerase chain reaction
(RRT-PCR) / 18 Feb 2021 / Positive
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