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Article

The Contact Structure of Great Britain's Salmon and Trout Aquaculture Industry

Citation
Jones AE, Munro LA, Green DM, Morgan KL, Murray AG, Norman R, Salama NKG, Ryder D, Taylor NGH, Thrush MA, Wallace IS & Sharkey KJ (2019) The Contact Structure of Great Britain's Salmon and Trout Aquaculture Industry. Epidemics. https://doi.org/10.1016/j.epidem.2019.05.001

Abstract
We analyse the network structure of the British salmonid aquaculture industry from the perspective of infectious disease control. We combine for the first time live fish transport (or movement) data covering England and Wales with data covering Scotland and include network layers representing potential transmission by rivers, sea water and local transmission via human or animal vectors in the immediate vicinity of each farm or fishery site. We find that 7.2% of all live fish transports cross the England-Scotland border and network analysis shows that 87% of English and Welsh sites and 72% of Scottish sites are reachable from cross-border connections via live fish transports alone. Consequently, from a disease-control perspective, the contact structures of England and Wales and of Scotland should not be considered in isolation. We also show that large epidemics require the live fish movement network and so control strategies targeting movements can be very effective. While there is relatively low risk of widespread epidemics on the live fish transport network alone, the potential risk is substantially amplified by the combined interaction of multiple network layers.

Keywords
Public Health, Environmental and Occupational Health; Epidemiology; Microbiology; Parasitology; Virology; Infectious Diseases

Notes
Output Status: Forthcoming

Journal
Epidemics

StatusPublished
Author(s)Jones, Anne E; Munro, Lorna A; Green, Darren M; Morgan, Kenton L; Murray, Alexander G; Norman, Rachel; Salama, Nabeil K G; Ryder, David; Taylor, Nick G H; Thrush, Mark A; Wallace, I Stuart; Sharkey, Kieran J
FundersBBSRC and NERC
Publication date online07/05/2019
Date accepted by journal02/05/2019
URLhttp://hdl.handle.net/1893/29702
PublisherElsevier BV
ISSN1755-4365

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