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H5N8 Highly pathogenic avian influenza (HPAI) of Clade 2.3.4.4 detected through surveillance of wild migratory birds in Tyva Republic, Russian Federation – potential for international spread











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    Highly Pathogenic Avian Influenza (H5N1 HPAI) spread in The Middle East: risk assessment 2016
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    To provide an estimate of the likelihood of introduction of H5N1 HPAI from recently infected countries (Lebanon and Iraq) to other countries in the Middle East region and neighbouring territories as a result of the movement of live poultry (both legal and illegal), poultry related products and wild bird migration.
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    Potential risk of Highly Pathogenic Avian Influenza (HPAI) spreading through wild water bird migration
    Updated version
    2005
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    There is a potential that Highly Pathogenic Avian Influenza (HPAI) subtype H5N1 might be carried along migration routes of wild water birds to densely populated areas in the south Asian subcontinent and along migratory flyways to Europe. Recent outbreaks of HPAI in Russia and Kazakhstan (August, 2005) attest to this fact. Looking at the major bird migration routes (Fig. 1), the HPAI H5N1 virus could possibly spread from Siberia to the Caspian and Black Sea areas in the foreseeable future. Some w ild water birds are nesting in the newly AI affected areas in Novosibirsk and Altai in Russia and will migrate to the above-mentioned areas for winter or stop-over on their way to Africa and Europe. Bird migration routes run across Azerbaijan, Iran, Iraq, Georgia, Ukraine and some Mediterranean countries, where bird flu outbreaks are a possibility. Also India and Bangladesh, which currently seem to be uninfected, are at risk because both areas harbour large numbers of domestic duck and the count ries are situated along one of the major migratory routes. They have the potential to become new large endemic foci of HPAI infection. Additionally, spring migration of 2006 may result in the spread of HPAI H5N1 virus across European Russia, because birds migrating from Europe and European Russia and Siberia have common wintering areas in Southwest Asia.
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    Wild bird highly pathogenic avian influenza surveillance (Mongolian language) 2010
    Waterfowl and shorebirds are considered to be the natural reservoirs for all avian influenza virus subtypes and, in general, most subtypes cause little or no disease in wildlife. However, type A influenza has undergone a combination of genetic drifts and shifts that have resulted in the H5N1 AI virus strain causing morbidity and mortality in many wildlife species. Although some surveillance has started, more research is necessary to determine the role that healthy wildlife plays in transporting and shedding virus. This manual provides basic guidelines for wildlife surveillance and disease investigation whatever their cause. It contains chapters on clinical signs of infectious disease, bird handling and sample collection methods, sample handling and transportation, and diagnostic techniques. It also contains important recommendations on disinfection and personal safety.

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