Highly pathogenic avian influenza,
China (People's Rep. of)
Information received on 05/05/2014 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 23/04/2014
Date of confirmation of the event 03/05/2014
Report date 04/05/2014
Date submitted to OIE 05/05/2014
Date event resolved 04/05/2014
Reason for notification Recurrence of a listed disease
Date of previous occurrence 06/2013
Manifestation of disease Sub-clinical infection
Causal agent Highly pathogenic avian influenza virus
Serotype H5N6
Nature of diagnosis Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (04/05/2014)
Follow-up report No. 1 (31/07/2014)
New outbreaks (1)
Outbreak 1 Nanbu, Nanbu, Nanchong, Sichuan
Date of start of the outbreak 23/04/2014
Outbreak status Resolved (04/05/2014)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1338 1 0 1338 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1338 1 0 1338 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 0.07% 0.00% 0.00% 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
  • Movement control inside the country
  • Screening
  • Disinfection / Disinfestation
  • Dipping / Spraying for control of vectors or parasites
  • Stamping out
  • 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 reverse transcription - polymerase chain reaction (RT-PCR) 03/05/2014 Positive
Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE Reference Laboratory) Birds virus isolation 03/05/2014 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations