Recent research has confirmed that scientists developed a sugar-coated polymer nanoparticle that blocks SARS-CoV-2 from binding to human cells, reducing infection rates by approximately 99% in laboratory tests.
Scientists made a sugar-coated nanoparticle that blocks the SARS-CoV-2 virus from binding to human cells — cutting infection in lab tests by ~99%.

Lab-made sugar-coated particle reduces COVID-19 infection rates by 98.6% in human cell tests - SSBCrack News
Source: news.ssbcrack.com
Key Evidence
Swansea University-led research developed a synthetic glycosystem nanoparticle that blocks SARS-CoV-2 infection by nearly 99% in lab tests.
news-medical.netnews-medical.netSynthetic sugar-coated nanoparticle blocks Covid-19 from infecting human cells
swansea.ac.ukswansea.ac.ukLab-made sugar-coated particle blocks Covid-19 infection — Possible new...
Multiple news outlets confirm the nanoparticle’s sugar coating mimics host cell glycans to prevent viral binding.
phys.orgphys.orgLab-made sugar-coated particle reduces COVID-19 infection rates by 98.6% in...
news.ssbcrack.comnews.ssbcrack.comLab-made sugar-coated particle reduces COVID-19 infection rates by 98.6% in...
The approach targets the virus’s mechanism of cell entry rather than the virus itself, offering a novel antiviral strategy.
nation.cymrunation.cymruGroundbreaking research discovers new particle that can block Covid-19 from...
What the Evidence Shows
Multiple independent and reputable sources from August 2025 report on a breakthrough study led by researchers at Swansea University. They created a synthetic glycosystem, a sugar-coated polymer nanoparticle, that effectively prevents the SARS-CoV-2 virus from infecting human cells in vitro. The nanoparticle mimics the sugar structures (glycans) that the virus typically binds to, thereby blocking its entry mechanism. Laboratory experiments demonstrated an infection reduction rate close to 99%, indicating a highly promising antiviral approach.
Key points include:
The nanoparticle is synthetic and sugar-coated, designed to interfere with viral binding.
The research is recent and peer-recognized, with multiple news outlets and the university itself reporting consistent findings.
The reduction in infection rates was observed in controlled lab tests on human cells, not yet clinical trials.
This innovation could pave the way for new antiviral treatments or preventive measures against COVID-19 and potentially other viruses that use similar glycan-mediated entry pathways.