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2021-3-1 21:30:13


OIE: Highly pathogenic influenza A viruses (infection with H5N8) (non-poultry including wild birds), China (People´s Rep. of)
submited by kickingbird at Jan, 27, 2021 13:20 PM from OIE

Information received on 25 Jan 2021 from Dr Huang Baoxu, Secretary of
the Party Leadership Group, Animal Health and Epidemiology Centre,
Ministry of Agriculture and Rural Affairs, Qingdao, China (People´s
Rep. of)

Summary
Report type: immediate notification
Date of start of the event: 13 Jan 2021
Date of confirmation of the event: 19 Jan 2021
Reason for notification: new strain of a listed disease
Manifestation of disease: clinical disease
Causal agent: Highly pathogenic avian influenza [AI] virus
Serotype: H5N8
Nature of diagnosis: clinical, laboratory (basic and advance),
necropsy
This event pertains to a defined zone within the country.

New outbreaks: 1
Summary of outbreaks
Total outbreaks: 1
Outbreak location: Dawenliu Management Station, Yellow River Delta
Nature Reserve, Kenli District, Dongying, Shandong
Date of start of the outbreak: 13 Jan 2021
Outbreak status: continuing (or date resolved not provided)
Epidemiological unit: natural park
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered
Mute swan: _Cygnus olor_ (Anatidae) / 249 / 35 / 35 / 0 / 0

Outbreak statistics [rates apparent, expressed as percentages]
Species / Morbidity rate / Mortality rate / Case fatality rate /
Proportion susceptible animals lost*
Mute swan: _Cygnus olor_ (Anatidae) / 14.06 / 14.06 / 100 / 14.06
*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: surveillance within containment and/or protection
zone; quarantine; official disposal of carcasses, by-products and
waste; disinfection; vaccination permitted (if a vaccine exists); no
treatment of affected animals
Measures to be applied: no other measures.

Diagnostic test results
Laboratory name and type / Species / Test / Test date / Result
Harbin National Avian Influenza Reference Laboratory (OIE Reference
Laboratory) / birds / reverse transcription-polymerase chain reaction
(RT-PCR) / 19 Jan 2021 / positive
Harbin National Avian Influenza Reference Laboratory (OIE reference
laboratory) / birds / virus isolation / 19 Jan 2021 / positive

Future reporting
The event is continuing. Weekly follow-up reports will be submitted.
See Also: Latest news in those days:

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