OIE: Low pathogenic avian influenza (poultry), Netherlands

Information received on 03/06/2013 from Dr Christianne Bruschke, Chief Veterinary Officer , Ministry of Agriculture, Nature and Food Quality, Ministry of Agriculture, Nature and Food Quality, The Hague, Netherlands

Summary

Report type	Immediate notification
Date of start of the event	31/05/2013
Date of pre-confirmation of the event	01/06/2013
Report date	03/06/2013
Date submitted to OIE	03/06/2013
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	25/03/2011
Manifestation of disease	Clinical disease
Causal agent	Low pathogenic avian influenza
Serotype	H7N1
Nature of diagnosis	Suspicion, Laboratory (basic)
This event pertains to	a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Outbreak Location

UTRECHT ( Leusden )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	10750	5000		10750

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	46.51%	**	**	**

* 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

On 1 June 2013, a 1 km protection zone has been established. In this one-km zone there are 11 other premises with poultry. Screening of these premises starts on 3 June 2013. All susceptible animals on the infected farm have been culled.

Note by the OIE Animal Health Information Department: H5 and H7 avian influenza in its low pathogenic form in poultry is a notifiable disease as per Chapter 10.4. on avian influenza of the Terrestrial Animal Health Code (2012).

Control measures

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

Diagnostic test results

Laboratory name and type

Central Veterinary Institute, Lelystad (National laboratory)

Tests and results

Species	Test	Test date	Result
Birds	polymerase chain reaction (PCR)	01/06/2013	Positive

Future Reporting

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