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Microplastics as emerging viral vectors: Nexus, mechanisms, ecological implications and health risks
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This review pulls together existing research showing that tiny plastic particles (microplastics) aren't just harmless debris—they can act like rafts that viruses cling to, helping them survive longer and travel farther in water, soil, and air than they would on their own. This matters because it means microplastics could potentially help spread infections more easily, though scientists still need more real-world studies to figure out exactly how big a risk this poses to human health.
Microplastics (MPs) have emerged as pervasive environmental pollutants with complex implications for ecological and human health. Beyond their chemical toxicity and persistence, MPs act as dynamic microhabitats supporting microbial colonization and viral adsorption. This review provides a comprehensive overview of the physicochemical characteristics, environmental distribution, and degradation pathways of the most common polymeric MPs, including polystyrene, polyethylene, polypropylene, polyvinyl chloride, polyurethane, polyethylene terephthalate, polydimethylsiloxane, and biobased polyesters. Particular attention is given to the virus-microplastic interface, highlighting how MPs serve as vectors that enhance viral persistence, transport, and infectivity. Experimental and metagenomic evidence demonstrates that both enveloped and non-enveloped viruses can adhere to MPs via electrostatic and hydrophobic interactions, often mediated by biofilm and eco-corona formation. These interactions extend viral stability across environmental compartments and can modulate host immune responses, exacerbating infection outcomes. By integrating physicochemical, microbiological, and toxicological perspectives, this review emphasizes that MPs are not inert residues but active ecological interfaces that can reshape viral ecology and increase public-health risks. Future studies combining molecular, environmental, and epidemiological approaches are essential to quantify the real impact of MP-virus interactions on ecosystem balance and infectious-disease dynamics.
More Papers Like This
Microplastics as Vectors for Viral Transmission: Mechanisms, Influencing Factors, and Ecological-Health Risks
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Tiny plastic particles floating in the environment can stick to viruses and help them survive longer and spread more easily, which could increase the risk of getting sick. This review article summarizes what scientists have learned about how plastics and viruses interact, and why it matters, because many of us are now exposed to both microplastics and viruses at the same time, which could be worse for our immune systems than facing either threat alone. Understanding this problem better will help researchers figure out how to protect public health as plastic pollution continues to grow worldwide.
The potential role of micro- and nanoplastics in the spread of viruses
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This review examines how micro- and nanoplastics may act as vehicles that amplify the spread and infectivity of pathogenic viruses in humans and animals, explaining that the plastisphere (the microbial community living on plastic surfaces) can preserve viruses and that plastics weaken the body's natural barrier tissues. The authors warn that plastic particles carrying viruses could increase infection risk and potentially even help viruses develop new variants, calling for urgent interdisciplinary research.
Environmental Risks of Plastisphere Viruses: Carrier Effects, Virus–Host Interactions, and Mechanisms of Resistance Dissemination
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Tiny plastic particles floating in water and soil quickly get coated with slimy biofilms that can attract and concentrate viruses, potentially turning microplastics into rafts that help spread disease-causing germs and antibiotic-resistant genes. This review pulls together existing research on the topic, and while the evidence so far is mostly based on indirect genetic analysis rather than direct proof, it raises an important flag: microplastic pollution might be doing more than just littering our environment—it could be helping harmful viruses travel and share dangerous traits. More hands-on lab testing is needed to confirm how big a real-world health risk
Viruses in the era of microplastics and plastispheres: Analytical methods, advances and future directions
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This review examines how viruses interact with microplastics in the environment, including how viral particles attach to plastic surfaces and what this means for human and environmental health. Microplastics can carry viruses across water environments, and the biofilms that form on plastic surfaces create conditions for viral survival and gene transfer. These findings raise concerns that microplastics could serve as vehicles for spreading disease-causing viruses through water systems.
Plastisphere-hosted viruses: A review of interactions, behavior, and effects
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This review examines how viruses attach to and thrive on microplastic surfaces in the environment, forming communities called the "plastisphere." These virus-laden microplastics can spread disease-causing agents through water and ecosystems, potentially reaching humans and posing public health risks that scientists are only beginning to understand.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.