OIE: Highly pathogenic avian influenza(H5N6), China (People´s Rep. of)

Information received on 05/03/2018 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

22/02/2018

Date of confirmation of the event

02/03/2018

Report date

05/03/2018

Date submitted to OIE

07/03/2018

Reason for notification

Recurrence of a listed disease

Date of previous occurrence

25/08/2017

Manifestation of disease

Clinical disease

Causal agent

Highly pathogenic avian influenza virus

Serotype

H5N6

Nature of diagnosis

Clinical, Laboratory (advanced)

This event pertains to

a defined zone within the country


New outbreaks


Summary of outbreaks

Total outbreaks: 1

Outbreak Location

  • GUANGXI ( Guilin, Lingchuan )

Total animals affected

Species

Susceptible

Cases

Deaths

Killed and disposed of

Slaughtered

Birds

30462

28000

23950

6512

0

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Birds

91.92%

78.62%

85.54%

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
  • Quarantine
  • Official destruction of animal products
  • Stamping out
  • Disinfection
  • 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

Harbin national avian influenza reference laboratory ( OIE Reference Laboratory )

Tests and results

Species

Test

Test date

Result

Birds

reverse transcription - polymerase chain reaction (RT-PCR)

02/03/2018

Positive

Birds

virus isolation

02/03/2018

Positive


Future Reporting


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