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Italy - new outbreak of avian influenza H5N8 in a mixed-species farm in Treviso province (Veneto region)

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  • Italy - new outbreak of avian influenza H5N8 in a mixed-species farm in Treviso province (Veneto region)

    04/12/2017 – On the 1 December, the National Reference Laboratory for Avian Influenza and Newcastle Disease confirmed as positive for Avian Influenza A virus subtype H5N8 a mixed -species farm in Treviso province (Veneto region). At the time of confirmation, the farm hosted 1,280 broilers, 6,006 fattening ducks and 135 mallards (Anas platyrhynchos). Samples were collected after a mortality increase was observed started on 28 November. The same epidemiological unit includes another mixed species farm, hosting 3,860 birds. Control and eradication measures were applied to the whole epidemiological unit. Culling procedures were concluded on 2 December. Further information will be provided as soon as available.

    http://www.izsvenezie.com/avian-infl...italy-updates/

  • #2
    Highly pathogenic avian influenza,
    Italy
    Information received on 01/12/2017 from Dr Silvio Borrello, Chief Veterinary Officer, Food Safety and Collegial Bodies for Health Protection, Ministère de la Santé, Department for Veterinary Public Health, Rome, Italy
    Summary
    Report type Follow-up report No. 33
    Date of start of the event 20/01/2017
    Date of confirmation of the event 21/01/2017
    Report date 01/12/2017
    Date submitted to OIE 01/12/2017
    Reason for notification Recurrence of a listed disease
    Date of previous occurrence 17/01/2015
    Manifestation of disease Clinical disease
    Causal agent Highly pathogenic avian influenza virus
    Serotype H5N8
    Nature of diagnosis Clinical, Laboratory (advanced)
    This event pertains to a defined zone within the country
    Related reports Immediate notification (23/01/2017)
    Follow-up report No. 1 (24/01/2017)
    Follow-up report No. 2 (26/01/2017)
    Follow-up report No. 3 (03/02/2017)
    Follow-up report No. 4 (08/02/2017)
    Follow-up report No. 5 (16/02/2017)
    Follow-up report No. 6 (17/02/2017)
    Follow-up report No. 7 (24/02/2017)
    Follow-up report No. 8 (01/03/2017)
    Follow-up report No. 9 (03/03/2017)
    Follow-up report No. 10 (17/03/2017)
    Follow-up report No. 11 (30/03/2017)
    Follow-up report No. 12 (03/04/2017)
    Follow-up report No. 13 (11/04/2017)
    Follow-up report No. 14 (13/04/2017)
    Follow-up report No. 15 (31/05/2017)
    Follow-up report No. 16 (21/07/2017)
    Follow-up report No. 17 (28/07/2017)
    Follow-up report No. 18 (31/07/2017)
    Follow-up report No. 19 (03/08/2017)
    Follow-up report No. 20 (07/08/2017)
    Follow-up report No. 21 (10/08/2017)
    Follow-up report No. 22 (19/08/2017)
    Follow-up report No. 23 (25/08/2017)
    Follow-up report No. 24 (31/08/2017)
    Follow-up report No. 25 (07/09/2017)
    Follow-up report No. 26 (15/09/2017)
    Follow-up report No. 27 (02/10/2017)
    Follow-up report No. 28 (12/10/2017)
    Follow-up report No. 29 (20/10/2017)
    Follow-up report No. 30 (27/10/2017)
    Follow-up report No. 31 (10/11/2017)
    Follow-up report No. 32 (23/11/2017)
    Follow-up report No. 33 (01/12/2017)
    New outbreaks (1)
    Outbreak 1 (HPAI_TV_2017_81) Castelfranco veneto, TREVISO, VENETO
    Date of start of the outbreak 22/11/2017
    Outbreak status Resolved (25/11/2017)
    Epidemiological unit Backyard
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 142 70 70 72 0
    Affected population The positivity regards a backyard farm (30 broilers, 10 geese, 2 peacocks, 30 layer hens, 70 ducks). Culling of 72 animals has been completed on 25 november 2017 and all 142 animals have been safely disposed of.
    Summary of outbreaks Total outbreaks: 1
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 142 70 70 72 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 49.30% 49.30% 100.00% 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 The National Reference Laboratory has sequenced HPAI subtype H5N8. A protection zone of 3 km and a surveillance zone of 10 km have been established.
    Control measures
    Measures applied
    • Movement control inside the country
    • Screening
    • Traceability
    • Official disposal of carcasses, by-products and waste
    • Stamping out
    • Zoning
    • Vaccination prohibited
    • No treatment of affected animals
    Measures to be applied
    • Disinfection
    Diagnostic test results
    Laboratory name and type Species Test Test date Result
    Experimental Zooprophylactic Institute (IZSVe), Padova (National laboratory) Birds polymerase chain reaction (PCR) 23/11/2017 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...
    http://www.oie.int/wahis_2/public/wa...reportid=25333
    "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

    Comment


    • #3
      Highly pathogenic avian influenza,
      Italy
      Information received on 07/12/2017 from Dr Silvio Borrello, Chief Veterinary Officer, Food Safety and Collegial Bodies for Health Protection, Ministère de la Santé, Department for Veterinary Public Health, Rome, Italy
      Summary
      Report type Follow-up report No. 34
      Date of start of the event 20/01/2017
      Date of confirmation of the event 21/01/2017
      Report date 07/12/2017
      Date submitted to OIE 07/12/2017
      Reason for notification Recurrence of a listed disease
      Date of previous occurrence 17/01/2015
      Manifestation of disease Clinical disease
      Causal agent Highly pathogenic avian influenza virus
      Serotype H5N8
      Nature of diagnosis Clinical, Laboratory (advanced)
      This event pertains to a defined zone within the country
      Related reports Immediate notification (23/01/2017)
      Follow-up report No. 1 (24/01/2017)
      Follow-up report No. 2 (26/01/2017)
      Follow-up report No. 3 (03/02/2017)
      Follow-up report No. 4 (08/02/2017)
      Follow-up report No. 5 (16/02/2017)
      Follow-up report No. 6 (17/02/2017)
      Follow-up report No. 7 (24/02/2017)
      Follow-up report No. 8 (01/03/2017)
      Follow-up report No. 9 (03/03/2017)
      Follow-up report No. 10 (17/03/2017)
      Follow-up report No. 11 (30/03/2017)
      Follow-up report No. 12 (03/04/2017)
      Follow-up report No. 13 (11/04/2017)
      Follow-up report No. 14 (13/04/2017)
      Follow-up report No. 15 (31/05/2017)
      Follow-up report No. 16 (21/07/2017)
      Follow-up report No. 17 (28/07/2017)
      Follow-up report No. 18 (31/07/2017)
      Follow-up report No. 19 (03/08/2017)
      Follow-up report No. 20 (07/08/2017)
      Follow-up report No. 21 (10/08/2017)
      Follow-up report No. 22 (19/08/2017)
      Follow-up report No. 23 (25/08/2017)
      Follow-up report No. 24 (31/08/2017)
      Follow-up report No. 25 (07/09/2017)
      Follow-up report No. 26 (15/09/2017)
      Follow-up report No. 27 (02/10/2017)
      Follow-up report No. 28 (12/10/2017)
      Follow-up report No. 29 (20/10/2017)
      Follow-up report No. 30 (27/10/2017)
      Follow-up report No. 31 (10/11/2017)
      Follow-up report No. 32 (23/11/2017)
      Follow-up report No. 33 (01/12/2017)
      Follow-up report No. 34 (07/12/2017)
      New outbreaks (1)
      Outbreak 1 (HPAI_TV_2017_82) Riese pio x, TREVISO, VENETO
      Date of start of the outbreak 30/11/2017
      Outbreak status Resolved (07/12/2017)
      Epidemiological unit Farm
      Affected animals
      Species Susceptible Cases Deaths Killed and disposed of Slaughtered
      Birds 7421 117 117 7304
      Affected population The positivity regards a farm of broilers (980), ducks (6141) and some breeding poultry birds (300). Culling of 7304 animals has been completed on 7 december 2017 and all 7421 animals have been safely disposed of.
      Summary of outbreaks Total outbreaks: 1
      Total animals affected
      Species Susceptible Cases Deaths Killed and disposed of Slaughtered
      Birds 7421 117 117 7304
      Outbreak statistics
      Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
      Birds 1.58% 1.58% 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 The National Reference Laboratory has sequenced HPAI subtype H5N8. A protection zone of 3 km and a surveillance zone of 10 km have been established.
      Control measures
      Measures applied
      • Movement control inside the country
      • Screening
      • Traceability
      • Official disposal of carcasses, by-products and waste
      • Stamping out
      • Zoning
      • Vaccination prohibited
      • No treatment of affected animals
      Measures to be applied
      • Disinfection
      Diagnostic test results
      Laboratory name and type Species Test Test date Result
      Experimental Zooprophylactic Institute (IZSVe), Padova (National laboratory) Birds polymerase chain reaction (PCR) 01/12/2017 Positive
      Future Reporting
      The event is continuing. Weekly follow-up reports will be submitted.
      ...
      http://www.oie.int/wahis_2/public/wa...reportid=25365
      "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

      Comment

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