OIE: Highly pathogenic influenza A viruses (infection with H5N6) (non-poultry including wild birds), China (People´s Rep. of)

Information received on 10/01/2020 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 29/12/2019
Date of confirmation of the event 08/01/2020
Report date 10/01/2020
Date submitted to OIE 10/01/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 22/03/2017
Manifestation of disease Clinical disease
Causal agent Highly pathogenic influenza A virus
Serotype H5N6
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
New outbreaks (2)
Outbreak 1 Sala Village,Samuyuzi Township, Yining, Ili Kazak Autonomous Prefecture, Xinjiang
Date of start of the outbreak 29/12/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 75 9 9
Outbreak 2 Binhe Park, Bole City, Bortala Mongol Autonomous Prefecture, Xinjiang
Date of start of the outbreak 02/01/2020
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) 75 6 6
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 150 15 15
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Mute Swan:Cygnus olor(Anatidae) 10.00% 10.00% 100.00% **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Control measures
Measures applied
  • Surveillance outside containment and/or protection zone
  • 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 real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 08/01/2020 Positive
Harbin National Avian influenza Reference Laboratory (OIE Reference Laboratory) Mute Swan virus isolation 08/01/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.