Low pathogenic avian influenza (poultry) A/H7, Portugal (OIE, December 3 2013): 1 New Outbreak

[Giuseppe]

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


Low pathogenic avian influenza (poultry) A/H7, Portugal


Information received on 02/12/2013 from Prof. Maria Teresa Costa Mendes V?ctor Villa de Brito, Director, Dire??o Geral de Alimenta??o e Veterin?ria, Minist?rio da Agricultura, do Mar, do Ambiente e do Ordenamento do Territ?rio, Lisboa, Portugal

• Summary
  • Report type Immediate notification
  • Date of start of the event 28/11/2013
  • Date of pre-confirmation of the event 28/11/2013
  • Report date 02/12/2013
  • Date submitted to OIE 02/12/2013
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 02/01/2008
  • Manifestation of disease Sub-clinical infection
  • Causal agent Low pathogenic avian influenza virus
  • Serotype H7
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to a defined zone within the country
• New outbreaks
  • Summary of outbreaks
    • Total outbreaks: 1
      • Outbreak Location - DSVR DO ALENTEJO ( Alcaria Ruiva - M?rtola, Baixo Alentejo )
        • Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
          • Birds - 63 - ** - 0 - 63 - 0
        • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Birds - ** - 0.00% - ** - 100.00%
        • * 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
  • A 1km restriction zone has been established and all the necessary measures in accordance with Council Directive 2005/94/EC are being implemented.
  • Only another backyard flock exists in the restriction zone and has already been sampled.
  • No poultry has been recently moved to other regions, EU Member States or third countries from the restriction zone.
  • Epidemiological investigation is on-going.
• 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 National Veterinary Research Laboratory (INIAV/LNIV) ( National laboratory )
    • Tests and results: Species - Test - Test date - Result
      • Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 28/11/2013 - Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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