OIE: Highly pathogenic avian influenza, Hong Kong (SAR

OIE: Highly pathogenic avian influenza, Hong Kong (SAR - PRC)
submited by kickingbird at Dec, 10, 2016 13:30 PM from OIE

Information received on 09/12/2016 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
Date of start of the event	30/11/2016
Date of confirmation of the event	08/12/2016
Report date	09/12/2016
Date submitted to OIE	09/12/2016
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	25/11/2016
Manifestation of disease	Sub-clinical infection
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 ( Mai Po, Yuen Long )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Avian species:bird (Unknown)		1	0	0	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Avian species:bird (Unknown)	**	**	0.00%	**

* 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 avian influenza virus including screening at Mai Po Nature Reserve in Hong Kong. A faecal environmental sample was collected for the routine academic surveillance study by the University of Hong Kong on 30 November 2016 and subsequently tested positive for H5N6. The location was the same as the three H5N6 positive samples collected on 25 November 2016.

Control measures

Measures applied	Screening 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

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
Avian species	gene sequencing	08/12/2016	Positive
Avian species	virus isolation	05/12/2016	Positive

Future Reporting

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

See Also:

http://www.oie.int

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