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

24 Oct 2016

Highly pathogenic #avian #influenza #H5N1, #Bhutan [one #poultry #outbreak] (#OIE, Oct. 24 ‘16)

 

Title: Highly pathogenic #avian #influenza #H5N1, #Bhutan [one #poultry #outbreak].

Subject: Avian Influenza, H5N1 subtype, one poultry epizootic in Bhutan.

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5N1, Bhutan

Information received on 24/10/2016 from Dr Tashi Samdup, Director General, Department of Livestock, Ministry of Agriculture and Forests, Thimphu, Bhutan

  • Summary
    • Report type Immediate notification
    • Date of start of the event 10/10/2016
    • Date of confirmation of the event 20/10/2016
    • Report date 24/10/2016
    • Date submitted to OIE 24/10/2016
    • Reason for notification Reoccurrence of a listed disease
    • Date of previous occurrence 11/2015
    • Manifestation of disease Clinical disease
    • Causal agent Highly pathogenic avian influenza virus
    • Serotype H5N1
    • Nature of diagnosis Laboratory (basic), Laboratory (advanced)
    • This event pertains to a defined zone within the country
  • New outbreaks (1)
    • Outbreak 1 - Alubari, Wangkha, Bjabcho, CHHUKHA
      • Date of start of the outbreak 10/10/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Backyard
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 3000 – 13 – 13 – 61 – 0
          • Affected population: Affected population is backyard poultry in one household.
    • Summary of outbreaks
      • Total outbreaks: 1
        • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Birds – 3000 – 13 – 13 – 61 – 0
        • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
          • Birds - 0.43% - 0.43% - 100.00% - 2.47%
            • *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 outbreak has occurred in a backyard, free-ranging poultry population.
    • While interviewing the owners of the birds, none of them mentioned source of infection.
    • Further investigation on the source of infection will be followed-up.
    • Only a small number of birds in an isolated pocket was affected.
    • No further infection in flocks in close proximity was detected.
  • Control measures
    • Measures applied
      • Movement control inside the country
      • Screening
      • Disinfection / Disinfestation
      • Dipping / Spraying
      • Quarantine
      • Stamping out
      • Zoning
      • 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
      • National Centre for Animal Health, Serbithang, Thimphu (National laboratory) – Birds - real-time PCR - 13/10/2016 – Positive
      • National Institute of High Security Animal Diseases (NIHSAD), Bhopal, India (OIE Reference  - Laboratory) – Birds - real-time PCR - 20/10/2016 – Positive
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.

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Keywords: OIE; Updates; H5N1; Avian Influenza; Poultry; Bhutan.

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