OIE: Low pathogenic avian influenza (poultry), China (People´s Rep. of) follow-up report No.5

Information received on 24/04/2013 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 Follow-up report No. 5
Date of start of the event 04/04/2013
Date of pre-confirmation of the event 04/04/2013
Report date 24/04/2013
Date submitted to OIE 24/04/2013
Reason for notification New strain of a listed disease
Manifestation of disease Sub-clinical infection
Causal agent Low pathogenic avian influenza virus
Serotype H7N9
Nature of diagnosis Laboratory (basic), Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (04/04/2013)
Follow-up report No. 1 (05/04/2013)
Follow-up report No. 2 (10/04/2013)
Follow-up report No. 3 (16/04/2013)
Follow-up report No. 4 (22/04/2013)
Follow-up report No. 5 (24/04/2013)
New outbreaks (3)
Outbreak 1 Jianshe road agricultural products market, Zhoukou , HENAN
Date of start of the outbreak 04/04/2013
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1 0 0 0
Affected population 1 environment sample from a live bird market.
Outbreak 2 Chi抋n market, Yiwu, Jinghua, ZHEJIANG
Date of start of the outbreak 04/04/2013
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1 0 2 0
Outbreak 3 Xiaotai agricultural products market, Weishi, Kaifeng, HENAN
Date of start of the outbreak 04/04/2013
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1 0 0 0
Affected population 1 environment sample from a live bird market.
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 3 0 2 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** ** 0.00% **
*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
Epidemiological comments Gene sequencing shows that it is low pathogenic avian influenza virus (LPAI).
Control measures
Measures applied
  • Control of wildlife reservoirs
  • 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
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.