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#Assessment of #risk associated with #influenza A(#H5N8) virus, 17 November 2016 (@WHO)

  Title : #Assessment of #risk associated with #influenza A(#H5N8) virus, 17 November 2016. Subject : Avian Influenza, H5N8 subtype, multi...

23 Nov 2016

Highly pathogenic #avian #influenza #H5, #Russia [a #poultry #outbreak in #Kalmykiya] (#OIE, Nov. 23 ‘16)

 

Title: Highly pathogenic #avian #influenza #H5, #Russia [a #poultry #outbreak in #Kalmykiya].

Subject: Avian Influenza, H5(N8) subtype, poultry epizootics in Russia.

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5, Russia

Information received on 23/11/2016 from Dr Evgeny Nepoklonov, Deputy Head, Federal Service for Veterinary and Phytosanitary Surveillance, Ministry of Agriculture, Moscow, Russia

  • Summary
    • Report type Immediate notification
    • Date of start of the event 07/11/2016
    • Date of confirmation of the event 17/11/2016
    • Report date 23/11/2016
    • Date submitted to OIE 23/11/2016
    • Reason for notification Reoccurrence of a listed disease
    • Date of previous occurrence 15/06/2016
    • Manifestation of disease Clinical disease
    • Causal agent Highly pathogenic avian influenza virus
    • Serotype H5
    • Nature of diagnosis Laboratory (basic), Laboratory (advanced)
    • This event pertains to a defined zone within the country
  • New outbreaks
    • Summary of outbreaks
      • Total outbreaks: 2
        • Outbreak Location  - RESPUBLIKA KALMYKIYA ( Oktyabr’sky, Yashaltinsky Solenoe, Yashaltinsky )
          • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
            • Birds  - 203  - 137  - 137  - 0  - …
          • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
            • Birds - 67.49% - 67.49% - 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
    • Genome of H5 avian influenza virus was detected in 4 samples from carcasses of domestic birds (goose, hen, guinea fowl).
    • Sequence analysis of the isolates showed that they belonged to the Asian HPAI virus H5 lineage A/Guandong/1/96, clade 2.3.4.4.
  • Control measures
    • Measures applied
      • Movement control inside the country
      • Screening
      • Disinfection / Disinfestation
      • Quarantine
      • Official disposal of carcasses, by-products and waste
      • Control of wildlife reservoirs
      • Vaccination permitted (if a vaccine exists)
      • No treatment of affected animals
    • Measures to be applied
      • Stamping out
  • Diagnostic test results
    • Laboratory name and type - Stavropolskaya veterinary laboratory ( Local laboratory )
      • Tests and results – Species – Test - Test date – Result
        • Birds - polymerase chain reaction (PCR) - 17/11/2016 – Positive
    • Laboratory name and type - All-Russian Research Institute for Animal Health (FGBI-ARRIAH) ( National laboratory )
      • Tests and results: Species – Test - Test date – Result
        • Birds - gene sequencing - 23/11/2016 – Positive
        • Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 23/11/2016 – Positive
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.

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Keywords: OIE; Updates; H5; Avian Influenza; Poultry; Russia.

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