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Addressing H5N1 Highly Pathogenic Avian Influenza










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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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    Journal, magazine, bulletin
    2016–2018 Spread of H5N8 highly pathogenic avian influenza (HPAI) in sub-Saharan Africa
    Epidemiological and ecological observations
    2018
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    South Africa is experiencing an epidemic of H5N8 HPAI virus since 2017 in both domestic and wild birds. The document will assess the potential for the virus to persist in this ecosystem and potentially spread northwards with wild bird movement during the South African winter (i.e. June – September 2018).
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    Book (stand-alone)
    Approaches to controlling, preventing and eliminating H5N1 Highly Pathogenic Avian Influenza in endemic countries 2011
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    At its peak in 2006, highly pathogenic avian influenza (HPAI) caused by viruses of the H5N1 subtype was reported in over 60 countries. Since then, most affected countries have eliminated the disease. However, in Bangladesh, the People’s Republic of China, Egypt, India, Indonesia and Viet Nam, the virus has remained entrenched and these countries continue to be endemic for the disease.The Food and Agriculture Organization of the United Nations, in association with national authorities, ha s developed a framework, based on experiences gained so far in endemically infected countries and covering activities that, if adopted, will help to move each country along the path towards virus elimination. Each framework comprises a mix of measures aimed at outbreak control and responses; gathering and analyzing information from surveillance, disease investigations and other epidemiological studies and market chain studies; and disease prevention and risk reduction.As the virus is unl ikely to be eliminated from poultry for some time the risk of emergence of a human pandemic strain from an avian virus will persist and will need management. The extended time frame until the virus can be eliminated provides opportunities for research into new and innovative measures for the control and prevention of H5N1 HPAI and other influenza viruses. This includes better vaccines that can be delivered easily to poultry production sectors; methods of developing virus resistance in poultry th rough genetic manipulation and selection; and universal influenza vaccines for humans that protect against different influenza virus subtypes, thus minimizing the threat posed by the virus to human health.

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