OIE: Highly pathogenic avian influenza, Vietnam(H5N6)

Information received on 20/02/2017 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, Hano?, Vietnam

Summary

Report type

Immediate notification

Date of start of the event

12/02/2017

Date of confirmation of the event

16/02/2017

Report date

20/02/2017

Date submitted to OIE

20/02/2017

Reason for notification

Reoccurrence of a listed disease

Date of previous occurrence

07/2016

Manifestation of disease

Clinical disease

Causal agent

Highly pathogenic avian influenza virus

Serotype

H5N6

Nature of diagnosis

Clinical, Laboratory (advanced)

This event pertains to

the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

  • QUANG NGAI ( Pho Cuong, Pho Cuong, Duc Pho )

Total animals affected

Species

Susceptible

Cases

Deaths

Destroyed

Slaughtered

Birds

6160

4500

2000

4160

0

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Birds

73.05%

32.47%

44.44%

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

  • Vaccination in response to the outbreak (s)
  • Disinfection / Disinfestation
  • Surveillance outside containment and/or protection zone
  • Stamping out
  • No treatment of affected animals

Measures to be applied

  • No other measures

Diagnostic test results

Laboratory name and type

Regional Animal Health Office No.4 (RAHO4) ( Regional Laboratory )

Tests and results

Species

Test

Test date

Result

Birds

real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)

16/02/2017

Positive

Future Reporting

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