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  Title : #Avian #Influenza #H7N9 in #China: Preventing the Next #SARS. Subject : Avian Influenza, H7N9 subtype (Asian Lineage), poultry e...

10 Nov 2016

Highly pathogenic #avian #influenza #H5N8, #Croatia [infected #wildbirds] (#OIE, Nov. 10 ‘16)

 

Title: Highly pathogenic #avian #influenza #H5N8, #Croatia [infected #wildbirds].

Subject: Avian Influenza, H5N8 subtype, epizootic in wild birds, Croatia.

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5N8, Croatia

Information received on 10/11/2016 from Dr Tomislav Kiš, Assistant to Minister, Veterinary and Food Safety Directorate, Ministry of Agriculture, Zagreb, Croatia

  • Summary
    • Report type Immediate notification
    • Date of start of the event 30/10/2016
    • Date of confirmation of the event 09/11/2016
    • Report date 10/11/2016
    • Date submitted to OIE 10/11/2016
    • Reason for notification New strain of a listed disease in the country
    • Causal agent Highly pathogenic avian influenza virus
    • Serotype H5N8
    • Nature of diagnosis Laboratory (basic), Laboratory (advanced)
    • This event pertains to a defined zone within the country
  • New outbreaks (1)
    • Outbreak 1 - River Bidj, Cerje, Županja, VUKOVARSKO-SRIJEMSKA
      • Date of start of the outbreak 30/10/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Village
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Mute Swan: Cygnus olor (Anatidae)  - … – 10 – 10 – 0 – 0
    • Summary of outbreaks
      • Total outbreaks: 1
        • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Mute Swan: Cygnus olor (Anatidae) – … – 10 – 10 – 0 – 0
        • Outbreak statistics: Species  - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
          • Mute Swan: Cygnus olor (Anatidae) – ** – ** - 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
    • Approximately ten swans died on the river Bidj but only two of them were available for laboratory testing.
    • Organ samples were taken and submitted on 31 October to the Poultry centre of the Croatian Veterinary Institute.
    • Avian influenza - subtype H5N8 was isolated.
    • Nucleotide sequencing at the cleavage site of the hemagglutinin (HA) of the isolate revealed the multiple basic amino acid sequence "RERRRKR/GLF", which is consistent with highly pathogenic avian influenza.
  • Control measures
    • Measures applied
      • 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) - Mute Swan - reverse transcription - polymerase chain reaction (RT-PCR) - 09/11/2016 – Positive
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.

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Keywords: OIE; Updates; H5N8; Avian Influenza; Wild birds; Croatia.

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