OIE: Highly pathogenic avian influenza, Vietnam

Information received on 12/03/2019 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

11/02/2019

Date of confirmation of the event

27/02/2019

Report date

12/03/2019

Date submitted to OIE

12/03/2019

Reason for notification

Recurrence of a listed disease

Date of previous occurrence

10/01/2019

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

  • Quang Nam ( Tien Tho, Tien Tho, Tien Phuoc )

Total animals affected

Species

Susceptible

Cases

Deaths

Killed and disposed of

Slaughtered

Birds

3800

1350

3800

0

Outbreak statistics

Species

Apparent morbidity rate

Apparent mortality rate

Apparent case fatality rate

Proportion susceptible animals lost*

Birds

35.53%

**

**

**


* 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
  • 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

Regional Animal Health Office 4 ( National laboratory )

Tests and results

Species

Test

Test date

Result

Birds

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

27/02/2019

Positive

Future Reporting

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