Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
China (People's Rep. of)
Information received on 18/01/2017 from Dr Yu Kangzhen, National Chief Veterinary Officer , Veterinary Bureau , Ministry of Agriculture , Beijing, China (People's Rep. of)
Summary
Report type Immediate notification
Date of start of the event 01/01/2017
Date of confirmation of the event 16/01/2017
Report date 18/01/2017
Date submitted to OIE 18/01/2017
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
Related reports Immediate notification (18/01/2017)
Follow-up report No. 1 (09/02/2017)
New outbreaks (1)
Outbreak 1 Wuhan, Hubei
Date of start of the outbreak 01/01/2017
Outbreak status Resolved (27/02/2017)
Epidemiological unit Zoo
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Black Swan:Cygnus atratus(Anatidae) 314 99 99 215 0
Affected population The affected population is a flock of domesticated black swans in Wuhan City Zoo, in Hubei Province.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Black Swan:Cygnus atratus(Anatidae) 314 99 99 215 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Black Swan:Cygnus atratus(Anatidae) 31.53% 31.53% 100.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments Local poultry was visited, no abnormal event was found.
Control measures
Measures applied
  • Disinfection
  • Stamping out
  • Control of wildlife reservoirs
  • Vaccination prohibited
  • 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) 16/01/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations