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Quantifying risk factors and potential geographic extent of African swine fever across the world

Jiang, D., Ma, T., Hao, M., Ding, F., Sun, K., Wang, Q., Kang, T., Wang, D., Zhao, S., Li, M., Xie, X., Fan, P., Meng, Z., Zhang, S., Qian, Y., Edwards, J., Chen, S. and Li, Y. (2022) Quantifying risk factors and potential geographic extent of African swine fever across the world. PLoS ONE, 17 (4). Art. e0267128.

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Abstract

African swine fever (ASF) has spread to many countries in Africa, Europe and Asia in the past decades. However, the potential geographic extent of ASF infection is unknown. Here we combined a modeling framework with the assembled contemporary records of ASF cases and multiple covariates to predict the risk distribution of ASF at a global scale. Local spatial variations in ASF risk derived from domestic pigs is influenced strongly by livestock factors, while the risk of having ASF in wild boars is mainly associated with natural habitat covariates. The risk maps show that ASF is to be ubiquitous in many areas, with a higher risk in areas in the northern hemisphere. Nearly half of the world’s domestic pigs (1.388 billion) are in the high-risk zones. Our results provide a better understanding of the potential distribution beyond the current geographical scope of the disease.

Item Type: Journal Article
Murdoch Affiliation(s): Veterinary Medicine
Centre for Biosecurity and One Health
Publisher: Public Library of Science
Copyright: © 2022 Jiang et al.
URI: http://researchrepository.murdoch.edu.au/id/eprint/64651
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