Low pathogenic avian influenza (poultry) H7N1, Netherlands (OIE, June 3 2013): 1 New Outbreak

[Giuseppe]

[Source: OIE, full page: (LINK). Edited.]


Low pathogenic avian influenza (poultry) H7N1, 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.

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