Highly pathogenic avian influenza,
China (People's Rep. of)
Information received on 13/01/2014 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 Follow-up report No. 1
Date of start of the event 27/12/2013
Date of confirmation of the event 02/01/2014
Report date 13/01/2014
Date submitted to OIE 13/01/2014
Date event resolved 01/05/2014
Reason for notification Recurrence of a listed disease
Date of previous occurrence 18/06/2013
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 (02/01/2014)
Follow-up report No. 1 (13/01/2014)
Follow-up report No. 2 (18/02/2014)
Follow-up report No. 3 (28/02/2014)
Follow-up report No. 4 (07/03/2014)
Follow-up report No. 5 (03/09/2014)
New outbreaks (1)
Outbreak 1 Wanjia Village, Paishi, Huangshi, Hubei
Date of start of the outbreak 07/01/2014
Outbreak status Resolved (03/02/2014)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 72106 6700 3200 68906 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 72106 6700 3200 68906 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 9.29% 4.44% 47.76% 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
  • Screening
  • Disinfection / Disinfestation
  • Dipping / Spraying for control of vectors or parasites
  • Quarantine
  • Stamping out
  • Zoning
  • 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 Veterinary Research Institute, Chinese Academy of Agricultural Sciences (OIE Reference Laboratory) Birds haemagglutination inhibition test (HIT) 13/01/2014 Positive
Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (OIE Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 13/01/2014 Positive
Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (OIE Reference Laboratory) Birds virus isolation 13/01/2014 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations