OIE: Highly pathogenic avian influenza ,Vietnam

Information received on 14/10/2013 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	07/10/2013
Date of pre-confirmation of the event	13/10/2013
Report date	14/10/2013
Date submitted to OIE	14/10/2013
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	24/07/2013
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N1
Nature of diagnosis	Laboratory (advanced)
This event pertains to	the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

HOA BINH ( Gieng Em, Nhuan Trach, Luong son )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	1175	370	370	805	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	31.49%	31.49%	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 Movement control inside the country Vaccination in response to the outbreak (s) Disinfection of infected premises/establishment(s) No treatment of affected animals
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type

National Centre for Veterinary Diagnosis ( National laboratory )

Tests and results

Species	Test	Test date	Result
Birds	reverse transcription - polymerase chain reaction (RT-PCR)	13/10/2013	Positive

Future Reporting

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