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Published Date: 2011-05-15 10:09:04
Subject: PRO/AH/EDR> Avian influenza, poultry - Netherlands (02): (GE) LPAI H7, OIE
Archive Number: 20110515.1479

AVIAN INFLUENZA, POULTRY - NETHERLANDS (02): (GELDERLAND), LPAI, H7,
OIE
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Date: 14 May 2011
Source: OIE WAHID disease information 2011; 24(17) [edited]
http://web.oie.int/wahis/public.php?page=single_report&pop=1&reportid=10580

Low pathogenic avian influenza (poultry), Netherlands

Information received on 13 May 2011 from Dr Christianne Bruschke,
Chief Veterinary Officer, Ministry of Agriculture, Nature and Food
Quality, The Hague, Netherlands

Summary
Report type Immediate notification
Start date 11 May 2011
Date of 1st confirmation of the event 12 May 2011
Report date 13 May 2011
Date submitted to OIE 13 May 2011
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 25 Mar 2011
Manifestation of disease Clinical disease
Causal agent Low pathogenic avian influenza virus
Serotype Pending
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country

New outbreaks
Outbreak 1 (AI 2011-2) Kootwijkerbroek, Gelderland
Date of start of the outbreak 11 May 2011
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Birds
Susceptible 8800
Cases 12
Deaths 0
Destroyed 8788
Slaughtered 0

Affected Population: Free range laying hens

Epidemiology: Source of the outbreak(s) or origin of infection.
Unknown or inconclusive

Epidemiological comments: Screening of all poultry in 3-km zone.
Serotype is H7.

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 (2010).

Control measures - Measures applied: Stamping out; Movement control
inside the country; Screening; Zoning; Vaccination prohibited; No
treatment of affected animals

Measures to be applied - No other measures.

Laboratory name and type Central Veterinary Institute, Lelystad
(National laboratory)
Tests and results
Species Birds
Test polymerase chain reaction (PCR)
Test date 12 May 2011
Result Positive

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

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Communicated by:
ProMED-mail <promed@promedmail.org>

[The birds involved in this outbreak are free ranging laying hens, so
exposure to wild birds is a definite possibility. The Netherlands have
had severe problems with H7 highly pathogenic strains of the avian
influenza virus. The outbreak in 2003 resulted in the slaughter of 30
million birds, almost 1/3rd of the Dutch poultry stock. Also,
approximately 450 people had symptoms, with the majority of those
having conjunctivitis. - Mod.PC]

See Also