Highly pathogenic avian influenza,
China (People's Rep. of)
Information received on 13/05/2013 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 13/05/2013
Date of pre-confirmation of the event 13/05/2013
Report date 13/05/2013
Date submitted to OIE 13/05/2013
Date event resolved 18/06/2013
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 18/10/2012
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Suspicion, Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (13/05/2013)
Follow-up report No. 1 (18/06/2013)
New outbreaks (1)
Outbreak 1 Qionglin village, Milin, Linzhi, TIBET
Date of start of the outbreak 13/05/2013
Outbreak status Resolved (18/06/2013)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 407 35 35 372 0
Affected population 341 chicken and 31 geese were destroyed.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 407 35 35 372 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 8.60% 8.60% 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
Control measures
Measures applied
  • Stamping out
  • Quarantine
  • Movement control inside the country
  • Screening
  • Zoning
  • Disinfection of infected premises/establishment(s)
  • Dipping / Spraying
  • No vaccination
  • 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 Veterinary Research Institute (OIE’s Reference Laboratory) Birds haemagglutination inhibition test (HIT) 13/05/2013 Positive
Harbin Veterinary Research Institute (OIE’s Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 13/05/2013 Positive
Harbin Veterinary Research Institute (OIE’s Reference Laboratory) Birds virus isolation 13/05/2013 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations