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

Information received on 01/09/2014 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

23/08/2014

Date of pre-confirmation of the event

01/09/2014

Report date

01/09/2014

Date submitted to OIE

02/09/2014

Reason for notification

Reoccurrence of a listed disease

Date of previous occurrence

04/05/2014

Manifestation of disease

Clinical disease

Causal agent

Highly pathogenic avian influenza virus

Serotype

H5N6

Nature of diagnosis

Clinical, Laboratory (basic), Laboratory (advanced)

This event pertains to

a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

  • HEILONGJIANG ( Dongyue village, Shuangcheng District, Harbin )

Total animals affected

Species

Susceptible

Cases

Deaths

Destroyed

Slaughtered

Birds

86674

20550

17790

68884

0

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Birds

23.71%

20.53%

86.57%

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
  • Movement control inside the country
  • Screening
  • Zoning
  • Disinfection of infected premises/establishment(s)
  • 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)

01/09/2014

Positive

Birds

reverse transcription - polymerase chain reaction (RT-PCR)

01/09/2014

Positive

Birds

virus isolation

01/09/2014

Positive

Future Reporting

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