OIE: Highly pathogenic avian influenza, Vietnam

Information received on 17/11/2015 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	07/11/2015
Date of confirmation of the event	12/11/2015
Report date	17/11/2015
Date submitted to OIE	17/11/2015
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	27/10/2015
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N1
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

CA MAU ( Khanh Binh Tay Bac, Khanh Binh Tay Bac, Tran Van Thoi )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	600	94	94	506	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	15.67%	15.67%	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	Disinfection / Disinfestation Stamping out Surveillance within containment and/or protection zone No vaccination No treatment of affected animals
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type

Regional Animal Health Office (RAHO 7) ( National laboratory )

Tests and results

Species	Test	Test date	Result
Birds	real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)	12/11/2015	Positive

Future Reporting

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