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Croatia - 4 new outbreaks of highly pathogenic H5N5 in backyard birds and farms, Krapinsko-Zagorska (OIE, March 17, 2017)

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  • Croatia - 4 new outbreaks of highly pathogenic H5N5 in backyard birds and farms, Krapinsko-Zagorska (OIE, March 17, 2017)

    Highly pathogenic avian influenza,
    Croatia
    Information received on 17/03/2017 from Dr Damir Agičić, Assistant to Minister, Chief Veterinary Officer, Veterinary and Food Safety Directorate, CRO Ministry of Agriculture, ZAGREB, Croatia
    Summary
    Report type Immediate notification
    Date of start of the event 08/03/2017
    Date of confirmation of the event 15/03/2017
    Report date 17/03/2017
    Date submitted to OIE 17/03/2017
    Reason for notification New strain of a listed disease
    Manifestation of disease Clinical disease
    Causal agent Highly pathogenic avian influenza virus
    Serotype H5N5
    Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
    This event pertains to a defined zone within the country
    New outbreaks (4)
    Outbreak 1 Spickovina 1, Spickovina, Zabok, KRAPINSKO-ZAGORSKA
    Date of start of the outbreak 08/03/2017
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Backyard
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 23 23 23 0 0
    Outbreak 2 Spickovina 2, Spickovina, Zabok, KRAPINSKO-ZAGORSKA
    Date of start of the outbreak 08/03/2017
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 20 20 20 0 0
    Outbreak 3 Spickovina 3, Spickovina, Zabok, KRAPINSKO-ZAGORSKA
    Date of start of the outbreak 14/03/2017
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Backyard
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 3 3 0 3 0
    Outbreak 4 Spickovina 4, Spickovina , Zabok, KRAPINSKO-ZAGORSKA
    Date of start of the outbreak 14/03/2017
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 19 19 0 19 0
    Summary of outbreaks Total outbreaks: 4
    Total animals affected
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 65 65 43 22 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 100.00% 66.15% 66.15% 100.00%
    *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 Suspicion on the disease for two neighbouring holdings (Spickovina 1 and Spickovina 2) was notified at the same time on the 8th March 2017 following an increased mortality in birds (all poultry heads on both holdings were found dead). According to the observation of authorised veterinarian on the neighbouring area there are two small ponds on which wild ducks gather. AI subtype H5N5 in poultry was confirmed on the 13th March 2017. Following the confirmation of AI, the measures were applied on 15 holdings on 14th March 2017, and approximately 248 poultry heads were killed and destroyed. Three neighbouring holdings were additionally tested and two (out of three; Spickovina 3 and Spickovina 4) reacted positively to avian influenza. There were no clinical signs (including mortality) on those holdings. Virus sequencing was finished on the 15th March; highly pathogenic avian influenza is confirmed. Conducting of measures according to the Directive 2005/94 is still ongoing.
    Control measures
    Measures applied
    • Disinfection / Disinfestation
    • Stamping out
    • Official disposal of carcasses, by-products and waste
    • Vaccination prohibited
    • No treatment of affected animals
    Measures to be applied
    • No other measures
    Diagnostic test results
    Laboratory name and type Species Test Test date Result
    Croatian Veterinary Institute, Poultry Centre (National laboratory) Birds polymerase chain reaction (PCR) 13/03/2017 Positive
    Croatian Veterinary Institute, Poultry Centre (National laboratory) Birds virus sequencing 15/03/2017 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...
    http://www.oie.int/wahis_2/public/wa...reportid=23284
    "Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear."
    -Nelson Mandela
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