Climate Change, Foodborne Pathogens and Illness in Higher-Income Countries

Abstract

Purpose of ReviewWe present a review of the likely consequences of climate change for foodborne pathogens and associated human illness in higher-income countries.Recent FindingsThe relationships between climate and food are complex and hence the impacts of climate change uncertain. This makes it difficult to know which foodborne pathogens will be most affected, what the specific effects will be, and on what timescales changes might occur. Hence, a focus upon current capacity and adaptation potential against foodborne pathogens is essential. We highlight a number of developments that may enhance preparedness for climate change. These include the following:Adoption of novel surveillance methods, such as syndromic methods, to speed up detection and increase the fidelity of intervention in foodborne outbreaksGenotype-based approaches to surveillance of food pathogens to enhance spatiotemporal resolution in tracing and tracking of illnessEver increasing integration of plant, animal and human surveillance systems, One Health, to maximise potential for identifying threatsIncreased commitment to cross-border (global) information initiatives (including big data)Improved clarity regarding the governance of complex societal issues such as the conflict between food safety and food wasteStrong user-centric (social) communications strategies to engage diverse stakeholder groupsSummaryThe impact of climate change upon foodborne pathogens and associated illness is uncertain. This emphasises the need to enhance current capacity and adaptation potential against foodborne illness. A range of developments are explored in this paper to enhance preparedness.

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