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Microplastics interact with SARS-CoV-2 and facilitate host cell infection
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Researchers found that SARS-CoV-2 binds to microplastic surfaces, and this interaction facilitates enhanced viral infection of host cells and amplifies inflammatory responses, suggesting microplastics may act as vectors for viral pathogens.
SARS-CoV-2 binds to microplastics which facilitates viral host infection with enhanced inflammatory responses.
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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.
Theoretical investigation on the interactions of microplastics with a SARS-CoV-2 RNA fragment and their potential impacts on viral transport and exposure
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Researchers used molecular dynamics simulations to investigate how five types of microplastics interact with SARS-CoV-2 RNA fragments, finding that microplastics can bind viral RNA through various molecular forces, potentially facilitating viral transport in the environment.
Inflammation, immune dysfunction and viral disease: could micro- and nanoplastics be the missing link?
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This review examines how tiny plastic particles in the environment might weaken immune defenses and worsen viral infections. The authors synthesize existing research showing that these particles can stabilize viruses, trigger harmful inflammation in cells, and suppress the body's antiviral responses, potentially increasing susceptibility to severe infectious diseases.
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.
Microplastics and Macroplastic Debris as Potential Physical Vectors of SARS-CoV-2: A Hypothetical Overview with Implications for Public Health
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This hypothesis paper proposes that macro- and microplastic debris could act as physical vectors for SARS-CoV-2 transmission, reviewing evidence on viral persistence on plastic surfaces and the surge in pandemic-related plastic waste. The authors argue that plastic pollution represents an underexamined dimension of COVID-19 transmission risk, particularly in coastal and aquatic environments.
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