1.Is climate change the hidden catalyst behind the next pandemic? A systematic literature review.
John Nicolas Bautista MEJIA ; Antonio P. CONTRERAS ; Eduardo F. ROQUIÑO ; Maria Victoria O. ESPALDON ; Decibel V. FAUSTINO-ESLAVA ; Patricia Ann J. SANCHEZ
Philippine Journal of Health Research and Development 2025;29(3):1-17
BACKGROUND
The relationship between pandemics and climate change has emerged as a critical area of study, particularly underscored by the COVID-19 pandemic, which exposed vulnerabilities in global health systems and environmental governance. Although direct evidence linking climate change to the spread of COVID-19 remains limited, rising global temperatures and ecosystem disruptions have intensified human–wildlife interactions, increasing the risk of zoonotic disease emergence.
AIMS AND OBJECTIVES:This study aims to synthesize existing research on the interconnections between climate change and emerging infectious diseases, identify key knowledge gaps, and provide insights to guide integrated health and environmental policy development.
MATERIALS AND METHODSA systematic literature review was conducted using peer-reviewed articles published within the past two decades. Relevant studies were identified through scientific databases, focusing on evidence linking climate variability, ecosystem shifts, and zoonotic transmission dynamics.
RESULTSFindings indicate that climate-induced changes—such as rising temperatures, altered precipitation patterns, and habitat disruption—affect vector ecology and wildlife migration, facilitating conditions for pathogen spillover. However, existing research remains fragmented, with limited longitudinal analyses and region-specific data to quantify these associations.
CONCLUSIONThe interconnectedness of human health, environmental health, and biodiversity underscores the need for a holistic One Health approach. Strengthening interdisciplinary collaboration and integrating climate resilience into public health strategies are vital to addressing the multifaceted challenges posed by climate change and emerging pandemics.
Human ; Climate ; Climate Change ; Literature ; Pandemics ; Review


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