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2021-1-28 11:26:23


OIE: Highly pathogenic avian influenza, China (People‘s Rep. of)
submited by kickingbird at Nov, 23, 2018 9:33 AM from OIE

Information received on 22/11/2018 from Dr Zhang Zhongqiu, 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 28/10/2018
Date of confirmation of the event 20/11/2018
Report date 21/11/2018
Date submitted to OIE 22/11/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 15/09/2014
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 (2)
Outbreak 1 Dengjiazai Village,Beihai Township, Tengchong City, Baoshan, Yunnan
Date of start of the outbreak 28/10/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 6216 4800 4420 1796 0
Outbreak 2 Guantian Village,Pingshan Township, Luquan, Kunming, Yunnan
Date of start of the outbreak 03/11/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 13884 6540 5400 8484 0
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 20100 11340 9820 10280 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 56.42% 48.86% 86.60% 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
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Screening
  • Traceability
  • Quarantine
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Zoning
  • Disinfection
  • 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 (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 20/11/2018 Positive
Harbin National Avian Influenza Reference Laboratory (National laboratory) Birds virus isolation 20/11/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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