OIE: Highly pathogenic influenza A viruses (infection with H5N8) (non-poultry including wild birds), China (People´s Rep. of)

Information received on 08/02/2021 from Dr Huang Baoxu, Secretary of the Party Leadership Group, Animal Health and Epidemiology Centre, Ministry of Agriculture and Rural Affairs, Qingdao, China (PeopleĀ“s Rep. of)
Summary
Report type
Immediate notification
Date of start of the event
29/01/2021
Date of confirmation of the event
04/02/2021
Report date
08/02/2021
Date submitted to OIE
08/02/2021
Reason for notification
New strain of a listed disease
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic influenza A virus
Serotype
H5N8
Nature of diagnosis
Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to
a defined zone within the country
New outbreaks (1)

Outbreak 1
Yuntai Mountain scenic area, Haizhou District, Lianyungang, Jiangsu
Date of start of the outbreak
29/01/2021
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Natural park
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Mandarin Duck:Aix galericulata(Anatidae)
647
17
17
0
0
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Mandarin Duck:Aix galericulata(Anatidae)
647
17
17
0
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Mandarin Duck:Aix galericulata(Anatidae)
2.63%
2.63%
100.00%
2.63%
*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
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)
Mandarin Duck
reverse transcription - polymerase chain reaction (RT-PCR)
04/02/2021
Positive
Harbin National Avian influenza Reference Laboratory (OIE Reference Laboratory)
Mandarin Duck
virus isolation
04/02/2021
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.