OIE: Highly pathogenic avian influenza ,China (People´s Rep. of)

Information received on 21/12/2013 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

Immediate notification

Date of start of the event

21/12/2013

Date of pre-confirmation of the event

21/12/2013

Report date

21/12/2013

Date submitted to OIE

21/12/2013

Reason for notification

New strain of a listed disease

Manifestation of disease

Clinical disease

Causal agent

Highly pathogenic avian influenza virus

Serotype

H5N2

Nature of diagnosis

Suspicion, Clinical, Laboratory (basic), Laboratory (advanced)

This event pertains to

the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

  • HEBEI ( Zhuzhuang village, Jiaozhuang, Baoding )

Total animals affected

Species

Susceptible

Cases

Deaths

Destroyed

Slaughtered

Birds

129700

4000

4000

125700

0

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Birds

3.08%

3.08%

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

Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences ( OIE’s Reference Laboratory )

Tests and results

Species

Test

Test date

Result

Birds

haemagglutination inhibition test (HIT)

21/12/2013

Positive

Birds

reverse transcription - polymerase chain reaction (RT-PCR)

21/12/2013

Positive

Birds

virus isolation

21/12/2013

Positive

Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.