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Review
. 2023 Jan 17;20(3):1681.
doi: 10.3390/ijerph20031681.

How Antimicrobial Resistance Is Linked to Climate Change: An Overview of Two Intertwined Global Challenges

Roberta Magnano San Lio  1 , Giuliana Favara  1 , Andrea Maugeri  1 , Martina Barchitta  1 , Antonella Agodi  1
Affiliations
Review

How Antimicrobial Resistance Is Linked to Climate Change: An Overview of Two Intertwined Global Challenges

Roberta Magnano San Lio et al. Int J Environ Res Public Health. .

Abstract

Globally, antimicrobial resistance (AMR) and climate change (CC) are two of the top health emergencies, and can be considered as two interlinked public health priorities. The complex commonalities between AMR and CC should be deeply investigated in a One Health perspective. Here, we provided an overview of the current knowledge about the relationship between AMR and CC. Overall, the studies included pointed out the need for applying a systemic approach to planetary health. Firstly, CC increasingly brings humans and animals into contact, leading to outbreaks of zoonotic and vector-borne diseases with pandemic potential. Although it is well-established that antimicrobial use in human, animal and environmental sectors is one of the main drivers of AMR, the COVID-19 pandemic is exacerbating the current scenario, by influencing the use of antibiotics, personal protective equipment, and biocides. This also results in higher concentrations of contaminants (e.g., microplastics) in natural water bodies, which cannot be completely removed from wastewater treatment plants, and which could sustain the AMR spread. Our overview underlined the lack of studies on the direct relationship between AMR and CC, and encouraged further research to investigate the multiple aspects involved, and its effect on human health.

Keywords: One Health approach; antibiotics; antimicrobial resistance; climate change; environment; public health.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
The main factors involved in the relationship between climate change and antimicrobial resistance. Abbreviation: AMR, Antimicrobial Resistance.
See this image and copyright information in PMC

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