OIE: Highly pathogenic avian influenza ,Hong Kong (SAR

OIE: Highly pathogenic avian influenza ,Hong Kong (SAR - PRC)
submited by kickingbird at Apr, 17, 2015 7:58 AM from OIE

Information received on 16/04/2015 from Dr Thomas Sit, Chief Veterinary Officer / Assistant Director (Inspection & Quarantine), Agriculture, Fisheries and Conservation Department, Hong Kong Special Administrative Region Government, Hong Kong , Hong Kong (SAR - PRC)

Summary

Report type	Immediate notification (Final report)
Date of start of the event	10/04/2015
Date of confirmation of the event	15/04/2015
Report date	16/04/2015
Date submitted to OIE	16/04/2015
Date event resolved	10/04/2015
Reason for notification	New strain of a listed disease
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N6
Nature of diagnosis	Laboratory (advanced)
This event pertains to	the whole country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

HONG KONG ( A construction site on Hung Yuen Road, Hung Shui Kiu, Yuen Long )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Peregrin falcon:Falconidae (Falco peregrinus)		1	1	0	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Peregrin falcon:Falconidae (Falco peregrinus)	**	**	100.00%	**

* Removed from the susceptible population through death, destruction and/or slaughter;
** Not calculated because of missing information;

Epidemiology

Source of the outbreak(s) or origin of infection	Unknown or inconclusive
Epidemiological comments	An intensive surveillance system is in place for all poultry farms, poultry markets, and pet bird shops in Hong Kong. The H5N6 infected wild bird was detected in our ongoing surveillance program on wild birds. No spread of disease was evident. The date of end of the outbreak is the same as the date the bird was found (10 April 2015).

Control measures

Measures applied	Screening Disinfection of infected premises/establishment(s) No vaccination No treatment of affected animals
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type

Tai Lung Veterinary Laboratory, Agriculture, Fisheries & Conservation Department ( National laboratory )

Tests and results

Species	Test	Test date	Result
Peregrin falcon	immunohistochemical test	10/04/2015	Positive
Peregrin falcon	polymerase chain reaction (PCR)	10/04/2015	Positive
Peregrin falcon	virus isolation	15/04/2015	Positive

Laboratory name and type

Centre of Influenza Research, School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong ( Regional Reference Laboratory )

Tests and results

Species	Test	Test date	Result
Peregrin falcon	gene sequencing		Pending

Future Reporting

The event is resolved. No more reports will be submitted.

See Also:

http://www.oie.int

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