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Lookup NU author(s): Dr Andrew Hudson, Professor Lynn FrewerORCiD, Paul Brereton, Professor Mark WhittinghamORCiD, Dr Gavin Stewart
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).
BackgroundAntimicrobial resistance is becoming a major threat to public health and there is much current activity to ameliorate that threat. However, the relative contributions that potential sources of antimicrobial resistant (AMR) bacteria represent are not well established. Over-prescription of antimicrobials by clinicians is one source of selection for AMR bacteria/genes, but antimicrobials are used in greater quantities in food production. These bacteria/genes can then reach humans via food, the environment, or other means.Scope and approachSummarised in this review are potential transmission routes of AMR bacteria/genes from agricultural production to human infections. The situation is complicated, and it is difficult to compare studies because of different methodologies and definitions of resistance being used. Data and examples to illustrate each transmission route are provided where available.Key findings and conclusionsQuantitative data for defined organism/phenotype/gene combinations for exposure assessment are rare. Another problem is the identification of indistinguishable AMR bacteria in foods and human cases, which is invariably taken to show that food consumption is a source of infections. However, these data do not show the direction in which the flow of the organism/gene occurred nor do they rule out another source(s), and such data are scant. Case control studies could identify food exposures associated with particular organism/gene infections. The construction of models representing potential transmission pathways may help to reveal their relative contributions. However, the data may not be available to support these models. The lack of coherent data hampers the development of effective policy.
Author(s): Hudson JA, Frewer LJ, Jones G, Brereton PA, Whittingham MJ, Stewart G
Publication type: Article
Publication status: Published
Journal: Trends in Food Science & Technology
Year: 2017
Volume: 69
Issue: Part A
Pages: 131-147
Print publication date: 01/11/2017
Online publication date: 27/09/2017
Acceptance date: 19/09/2017
Date deposited: 19/09/2017
ISSN (print): 0924-2244
ISSN (electronic): 1879-3053
Publisher: Pergamon Press
URL: https://doi.org/10.1016/j.tifs.2017.09.007
DOI: 10.1016/j.tifs.2017.09.007
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