OIE: Highly pathogenic avian influenza, Nepal

Information received on 02/11/2012 from Dr Nar Bahadur Rajwar, Director General, Department of Livestock Services, Department of Livestock Services, Lalitpur, Nepal

Summary

Report type	Immediate notification
Date of start of the event	06/10/2012
Date of pre-confirmation of the event	12/10/2012
Report date	02/11/2012
Date submitted to OIE	02/11/2012
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	27/08/2012
Manifestation of disease	Clinical disease
Causal agent	Highly Pathogenic Avian Influenza
Serotype	H5
Nature of diagnosis	Suspicion, Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to	the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

BAGMATI (Madhyapur Thimi Municipality -3, Bode, Bhaktapur)

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	2000	1220	1220	780	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	61.00%	61.00%	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

Epidemiological comments

Reduced egg production with irregular shape and sized eggs was noticed in a commercial layer farm. High mortality was recorded in the affected farm. All remaining birds and poultry product, poultry production materials were destroyed and the infected premises was cleaned and disinfected. Post-operative surveillance activities are continuing throughout the country. No further outbreaks have been recorded.

Control measures

Measures applied	Stamping out Quarantine Movement control inside the country Screening Disinfection of infected premises/establishment(s) Dipping / Spraying Vaccination prohibited No treatment of affected animals
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type

CVL (National laboratory)

Tests and results

Species	Test	Test date	Result
Birds	polymerase chain reaction (PCR)	12/10/2012	Positive
Birds	rapid tests	10/10/2012	Positive

Future Reporting

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