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Chinese-origin H7N9 avian influenza spread in poultry and human exposure

Qualitative risk assessment update












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    Book (series)
    Chinese-origin H7N9 Avian Influenza spread in poultry and human exposure
    Qualitative risk assessment update
    2019
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    An update of the H7N9 qualitative risk assessment (published in February 2018) is warranted to cover the highest avian influenza risk period (February to May 2019), during which several festivals take place and an increase in national and cross-border poultry movements is expected. This will be done in light of H7 nation-wide vaccination program implemented since September 2017 by the MoA of China, with a recently updated H7 vaccine (November 2018).
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    Book (series)
    Chinese-origin H7N9 Highly Pathogenic Avian Influenza 2017
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    The ability of the H7N9 HPAI virus to infect both humans and poultry raises concern about a possible influenza pandemic and international spread either due to poultry or through wild birds. With the aim to provide sound and up-to-date scientific information for decision-makers globally, a qualitative risk assessment was conducted addressing the potential spread of H7N9 HPAI to unaffected provinces of China, other countries in South-East Asia and beyond during the period May to September 2017, as well as human exposure in affected areas of China where H7N9 HPAI has been reported. Several pathways of virus incursion were considered. Risk assessment is a powerful tool for supporting decision makers and national veterinary authorities to take scientifically sound decision based on the risk-levels assigned. Consequences of H7N9 HPAI can impact livelihoods, food security and poverty in rural areas, extended to all actors involved in poultry value chains. The impact is exacerbated by the pub lic health risk related to this zoonotic virus.
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    Helping Poultry Farmers in Libya to Halt the Spread of Deadly Avian Influenza - TCP LIB 3501 2018
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    Since its introduction to Libya in December 2015, Highly Pathogenic Avian Influenza has spread to a number of farms in the country, causing serious economic losses to poultry farmers and affecting public health. Between 2014 and 2015, the losses to farmers caused by the disease were estimated at over USD10 million. The lack of qualified human resources and appropriate equipment meant that the outbreaks were not deeply investigated, while the absence of biosecurity measures and awareness enabled the evolution of the disease in the country, reaching over 60 percent in backyard farms and leading to an increase in the number of human deaths during the cold season of 2015. To halt the spread of the “H5N1” strain and reduce its impact upon human health and food security, there was a clear need to identify the origin of the infection, control poultry along the value chain, apply biosecurity measures and manage outbreaks, as well as increasing the awareness of stakeholders and the population as a whole.

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