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#Avian #Influenza #H7N9 in #China: Preventing the Next #SARS (@WHO, Apr. 2 ‘17)

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

7 Feb 2017

Highly pathogenic #avian #influenza #H5N6, #Myanmar [a #poultry #outbreak] (#OIE, Feb. ‘17)


Title: Highly pathogenic #avian #influenza #H5N6, #Myanmar [a #poultry #outbreak].

Subject: Avian Influenza, H5N6 subtype, poultry epizootics in Myanmar.

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5N6, Myanmar

Information received on 07/02/2017 from Dr Ye Tun Win, Chief Veterinary Officer Director General, Livestock Breeding and Veterinary Department, Ministry of Livestock and Fisheries, Nay Pyi Taw, Myanmar

  • Summary
    • Report type    Immediate notification (Final report)
    • Date of start of the event    15/03/2016
    • Date of confirmation of the event    14/12/2016
    • Report date    07/02/2017
    • Date submitted to OIE    07/02/2017
    • Date event resolved    06/04/2016
    • Reason for notification    New strain of a listed disease
    • Manifestation of disease    Sub-clinical infection
    • Causal agent    Highly pathogenic avian influenza virus
    • Serotype    H5N6
    • Nature of diagnosis    Laboratory (basic), Laboratory (advanced)
    • This event pertains to    a defined zone within the country
  • Summary of outbreaks   
    • Total outbreaks: 1
      • Total animals affected: Species    - Susceptible    - Cases    - Deaths    - Destroyed    - Slaughtered
        • Birds    - 300    - 5   - … – 0    - 300
      • Outbreak statistics: Species    - Apparent morbidity rate    - Apparent mortality rate    - Apparent case fatality rate    - Proportion susceptible animals lost*
        • Birds    - 1.67%    - **    - **    - **
          • *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   
      • Introduction of new live animals
  • Epidemiological comments   
    • Risk-based surveillance of H7N9 in targeted border Townships and live bird market in Yangon and Mandalay has been conducted since 2013 by cooperation between the Livestock Breeding and Veterinary Department and FAO.
    • Until now, the 5th round of the risk based surveillance of H7N9 has been conducted and 16545 chickens and ducks oropharyngeal swabs, 7765 environmental swabs and 705 duck sera were collected from poultry collecting points, poultry processing sites, formal city markets and live bird markets.
    • Those samples were tested in Mandalay and Yangon Diagnostic Laboratory and then confirmed and sequenced by the Australian Animal Health Laboratory, Geelong.
    • From this 5th round of active surveillance, clade 2.3.4.4 H5N6 HPAI virus, which shares 99% similarity with A/chicken/Hubei/XG18/2015(H5N6) and 98% similarity with A/duck/Guangdong/GD01/2014(H5N6), was detected in the samples collected from chicken and environmental swabs in Monglar, which has a common border with China.
    • H5N6 positive samples were taken from apparently healthy chickens imported from China, as well as from the environment.
    • H5N6 positive samples were more concentrated geographically and temporally, and were found specifically in live bird markets, in ducks and chickens imported from China (unknown breeds).

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Keywords: OIE; Updates; Avian Influenza; H5N6 ; Poultry; Myanmar.

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