Highly pathogenic avian influenza,
China (People's Rep. of)
Information received on 28/08/2017 from Dr Zhang Zhongqui, Director General , China Animal Disease Control Centre, Veterinary Bureau, Ministry of Agriculture, Beijing, China (People's Rep. of)
Summary
Report type Immediate notification
Date of start of the event 10/08/2017
Date of confirmation of the event 18/08/2017
Report date 28/08/2017
Date submitted to OIE 28/08/2017
Reason for notification Recurrence of a listed disease
Date of previous occurrence 30/08/2016
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N6
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 Buyi and Miao Autonomous Prefecture of Qiannan, Luodian, GUIZHOU
Date of start of the outbreak 10/08/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 21213 13103 9752 8110
Affected population domestic quails
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 21213 13103 9752 8110
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 61.77% 45.97% 74.43% **
*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
  • Movement control inside the country
  • Screening
  • Quarantine
  • Stamping out
  • 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) Birds reverse transcription - polymerase chain reaction (RT-PCR) 18/08/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations