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article · Climatic Change

Climate changes and food-borne pathogens: the impact on human health and mitigation strategy

202459 citationsOpen accessBenha University

In plain language

Climate change significantly influences the emergence and dissemination of food-borne pathogens, presenting severe risks to human health. Transmitted through contaminated food or water supplies, these microorganisms can induce conditions ranging from mild discomfort to fatal illnesses. The relationship between changing climatic conditions and pathogen transmission is driven by interconnected shifts across the environment, agricultural practices, and human behaviour. Compiling existing evidence highlights both the demonstrated consequences for human populations and the critical gaps remaining in current scientific knowledge. In response to these increasing microbiological threats, strategic mitigation and adaptation approaches are essential. Developing a precise understanding of how climatic pressures alter food-borne disease dynamics serves as a foundation for stabilising food production systems and preserving global public health.

Key takeaways

  • Climate change drives the emergence and spread of food-borne pathogens through environmental, agricultural, and behavioural changes.
  • Pathogens ingested via contaminated water or food cause a spectrum of illnesses ranging from mild sickness to life-threatening conditions.
  • Mitigation and adaptation strategies, supported by targeted research into existing knowledge gaps, are necessary to safeguard food systems and global health.

Why it matters

Shifting weather and environmental conditions accelerate the transmission of infectious microbes through global food and water networks. Understanding how climate drivers impact food safety helps authorities, producers, and communities anticipate emerging biological risks, reinforce supply chain security, and protect vulnerable populations from preventable, life-threatening food-borne illnesses.

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Abstract

Abstract Climate change has emerged as a major pressing global issue with far-reaching implications for human health, such as the emerging and spread of food-borne pathogens. Food-borne pathogens are microorganisms that can cause illness in humans, from mild discomfort to life-threatening diseases, through the consumption of contaminated food or water. The impact of climate change on food-borne pathogens is multifaceted and includes changes in the environment, agriculture, and human behavior. This review article examines the effect of climate change on food-borne pathogens, explores the connection between climate change and food-borne illness, records the current evidence on the effects of climate change on food-borne pathogens and potential consequences for human health, highlights knowledge gaps and areas for further research, and summarizes the strategies for mitigation and adaptation. Understanding the delicate relationship between climate change and food-borne infections makes it possible to maintain food systems and defend the health and well-being of populations worldwide.

Research topics

  • Climate Change and Health Impacts
  • Agriculture Sustainability and Environmental Impact
  • Zoonotic diseases and public health

Sustainable Development Goals

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DOI: 10.1007/s10584-024-03748-9

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