Low pathogenic avian influenza H5N3 (poultry), Czech Republic (WAHID Interface - OIE World Animal Health Information Database, 11/6/09, edited)

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Low pathogenic avian influenza (poultry), Czech Republic (WAHID Interface - OIE World Animal Health Information Database, 11/6/09, edited)

Low pathogenic avian influenza (poultry), Czech Republic

Information received on 06/11/2009 from Dr Milan Malena, Chief Veterinary Officer, Chief Veterinary Officer, Ministry of Agriculture , PRAGUE, Czech Republic

• Summary
  • Report type Immediate notification
  • Start date 05/11/2009
  • Date of first confirmation of the event 05/11/2009
  • Report date 06/11/2009
  • Date submitted to OIE 06/11/2009
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 03/2009
  • Manifestation of disease Sub-clinical infection
  • Causal agent Low pathogenic avian influenza virus
  • Serotype H5N3
  • Nature of diagnosis Laboratory (basic)
  • This event pertains to a defined zone within the country

• New outbreaks
  • Outbreak 1 - Trebin, Ceske Budejovice, JIHOCESK?
    • Date of start of the outbreak 05/11/2009
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Birds 280 - 1 - 0 - 0 - 0
      • Affected Population Holding with mallard ducks for restocking of game. All susceptible animals will be destroyed on 7 November 2009.

• Summary of outbreaks
  • Total outbreaks: 1
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds 0.36% - 0.00% - 0.00% - 0.00%
    • * 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
  • 40 cloacal swabs were sampled in the frame of regular monitoring with one positive result. All animals were without clinical signs. All susceptible animals will be destroyed on 7 November 2009.
  • 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 (2009).

• Control measures
  • Measures applied
    • Quarantine
    • Movement control inside the country
    • Screening
    • Zoning
    • Disinfection of infected premises/establishment(s)
    • No vaccination
    • No treatment of affected animals
  • Measures to be applied
    • Stamping out

• Diagnostic test results
  • Laboratory name and type State Veterinary Institute (SVI), Prague (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Birds - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 05/11/2009 - Positive

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

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<cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=8620" >WAHID Interface - OIE World Animal Health Information Database</cite>