Information received on 03/02/2021 from Dr Huang Baoxu, Secretary of the Party Leadership Group, Animal Health and Epidemiology Centre, Ministry of Agriculture and Rural Affairs, Qingdao, China (People´s Rep. of)
Summary
Report type
Immediate notification
Date of start of the event
25/01/2021
Date of confirmation of the event
01/02/2021
Report date
02/02/2021
Date submitted to OIE
03/02/2021
Reason for notification
New strain of a listed disease
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic avian influenza 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
Yuanmingyuan Ruins Park, Haidian District, Beijing
Date of start of the outbreak
25/01/2021
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Natural park
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Black Swan:Cygnus atratus(Anatidae)
15
3
3
0
0
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Black Swan:Cygnus atratus(Anatidae)
15
3
3
0
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Black Swan:Cygnus atratus(Anatidae)
20.00%
20.00%
100.00%
20.00%
*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
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)
Black Swan
reverse transcription - polymerase chain reaction (RT-PCR)
01/02/2021
Positive
Harbin National Avian Influenza Reference Laboratory (OIE Reference Laboratory)
Black Swan
virus isolation
01/02/2021
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.