OIE: Highly pathogenic avian influenza, United Kingdom

OIE: Highly pathogenic avian influenza, United Kingdom
submited by kickingbird at Jan, 16, 2008 9:2 AM from OIE

Information received on 11/01/2008 from Dr Fred Landeg, Acting Chief Veterinary Officer, Department for Environment Food and Rural Affairs, Department for Environment Food and Rural Affairs, London , United Kingdom

Summary

Report type	Immediate notification
Start date	27/12/2007
Date of confirmation of event	10/01/2008
Report date	11/01/2008
Date submitted to OIE	11/01/2008
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	11/2007
Manifestation of disease	Sub-clinical infection
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N1
Nature of diagnosis	Laboratory (advanced)
Report pertains to	Entire country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

ENGLAND (Abbotsbury, Dorset)

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Wild species	3	3	3	0	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible removed*
Wild species	100.00%	100.00%	100.00%	100.00%

* Removed from the susceptible population either through death, destruction or slaughter

Description of Affected Population

Wild bird reserve near Abbotsbury on the Dorset coast near Chesil beach.

Epidemiology

Source of infection

Unknown or inconclusive

Epidemiological comments

Between 27 December and 4 January three swans were found in Abbotsbury Swannery and the vicinity in the Chesil Beach area in Dorset. Preliminary reports suggest that two of the swans were still alive when found but were euthanised due to injuries.
According to EU and national legislations wild bird control and monitoring areas are now set up. The boundaries of these areas are set with reference to the places where the birds were found, while also taking into account the location of local bird reserves and the presence of wild bird populations along the Dorset coastline towards Portland Bill. The boundary of the control area is set at 3 km from the relevant points where the birds were found; the monitoring area at 10 km.
No evidence of disease has been found in domestic birds. Epidemiological inquiry is underway.

Control measures

Measures already applied	Movement control inside the country Screening Zoning Vaccination permitted No treatment of affected animals
Measures to be applied	None specified

Diagnostic test results

Laboratory name and type

VLA Weybridge (OIE’s Reference Laboratory)

Tests and results

Species	Test	Test date	Result
Wild species	real-time PCR	10/01/2008	Positive

Laboratory name and type

VLA Weybridge (Regional Reference Laboratory)

Tests and results

Species	Test	Test date	Result
Wild species	nucleotide sequencing	10/01/2008	Positive

See Also:

http://www.oie.int

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