Selected article for: "high propensity and influenza virus"

Author: Sealy, Joshua E.; Fournie, Guillaume; Trang, Pham Hong; Dang, Nguyen Hoang; Sadeyen, Jean-Remy; Thanh, To Long; van Doorn, H. Rogier; Bryant, Juliet E.; Iqbal, Munir
Title: Poultry trading behaviours in Vietnamese live bird markets as risk factors for avian influenza infection in chickens
  • Document date: 2019_8_9
  • ID: 17twe8bv_41
    Snippet: When considering the potential impact on AIV dissemination that these traders can have, it is important to take note of the position that vendors have in the poultry trade network. Vendors who have strong connections to a network of contacts operating in and around LBMs would be expected to have a more pronounced role in disseminating AIVs, whereas vendors holding a loose link to a network of contacts may have a reduced impact on AIV disseminatio.....
    Document: When considering the potential impact on AIV dissemination that these traders can have, it is important to take note of the position that vendors have in the poultry trade network. Vendors who have strong connections to a network of contacts operating in and around LBMs would be expected to have a more pronounced role in disseminating AIVs, whereas vendors holding a loose link to a network of contacts may have a reduced impact on AIV dissemination (Fournié et al., 2016) . Thus, middlemen are mobile, highly connected poultry traders that travel between farms and LBMs to purchase and sell birds, mixing poultry from many different sources. As a consequence, they facilitate a network of LBMs that are tractable to the circulation of influenza viruses (Fournié et al., 2013 (Fournié et al., , 2012 . The identification of middlemen supplying poultry to traders as a risk factor for influenza virus infection could be explained by their mobility and propensity to mix poultry, and their high connectivity to the poultry trade network. Likewise, retailers could be associated with higher odds of infection because they may purchase birds that have "changed hands" multiple times, promoting the amount of time spent by birds within the trade network and facilitating the mixing of birds from different sources. All the LBMs included in this study were open seven days a week, which would allow for greater connectivity between traders as they have more opportunity to interact at LBMs, potentially increasing the risk posed by retailers in particular.

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