Article ; Online: Spread of avian influenza among poultry specialists in England during winter 2022/23: National poultry housing order and environmental drivers.
Dialogues in health
2024 Volume 4, Page(s) 100165
Abstract: Purpose: To examine the impact of the national poultry housing order the UK government introduced on 7 November 2022 on the spreading of the avian influenza virus among poultry premises.: Methods: A longitudinal design with 15 weeks of infected ... ...
Abstract | Purpose: To examine the impact of the national poultry housing order the UK government introduced on 7 November 2022 on the spreading of the avian influenza virus among poultry premises. Methods: A longitudinal design with 15 weeks of infected poultry specialist incidence rates per 100 poultry specialists during the 2022/23 winter for 8 English regions. A multilevel regression model was used to analyse repeated measurements. Time was level-1 unit and regions level-2 unit resulting in 120 observations. Random intercept models included interactions between housing order and weekly infected wild birds, poultry density, or weekly average temperatures divided into terciles. In models where these variables were not included as an interaction term they were introduced as confounders. Results: After the introduction of the housing order, it took 3 weeks for a considerable reduction in poultry specialist incidence rates. Reduction in incidence rates was strongest in regions with highest poultry density, from 1.27 (95%CI 0.99 to 1.56) to 0.30 (95%CI 0.09 to 0.52). Considerable reductions were also seen in regions with most detected infected wild birds. Conclusion: The housing order was successful in reducing infected poultry specialist incidence rates three weeks after its introduction. Strongest impact in regions with highest poultry density. |
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Language | English |
Publishing date | 2024-01-04 |
Publishing country | United States |
Document type | Journal Article |
ISSN | 2772-6533 |
ISSN (online) | 2772-6533 |
DOI | 10.1016/j.dialog.2024.100165 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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