Information received on 30/11/2020 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 19/11/2020
Date of confirmation of the event 26/11/2020
Report date 29/11/2020
Date submitted to OIE 30/11/2020
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 Swan scenic area, Zhangcun Township, Pinglu, Yuncheng, Shanxi
Date of start of the outbreak 19/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Natural park
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 4000 2 2 0 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 4000 2 2 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Mute Swan:Cygnus olor(Anatidae) 0.05% 0.05% 100.00% 0.05%
*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) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 26/11/2020 Positive
Harbin National Avian Influenza Reference Laboratory (OIE Reference Laboratory) Mute Swan virus isolation 26/11/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.