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Abstract
The increasing risk from viral outbreaks such as the ongoing COVID-19 pandemic exacerbates the need for rapid, affordable and sensitive methods for virus detection, identification and quantification; however, existing methods for detecting virus particles in biological samples usually depend on multistep protocols that take considerable time to yield a result. Here, we introduce a rapid fluorescence in situ hybridization (FISH) protocol capable of detecting influenza virus, avian infectious bronchitis virus and SARS-CoV-2 specifically and quantitatively in approximately 20 min, in virus cultures, combined nasal and throat swabs with added virus and likely patient samples without previous purification. This fast and facile workflow can be adapted both as a lab technique and a future diagnostic tool in enveloped viruses with an accessible genome.
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Details
1 University of Oxford, Biological Physics Research Group, Clarendon Laboratory, Department of Physics, Oxford, UK (GRID:grid.4991.5) (ISNI:0000 0004 1936 8948)
2 University of Oxford, Biological Physics Research Group, Clarendon Laboratory, Department of Physics, Oxford, UK (GRID:grid.4991.5) (ISNI:0000 0004 1936 8948); University of Warwick, Warwick Medical School, Coventry, UK (GRID:grid.7372.1) (ISNI:0000 0000 8809 1613)
3 University of Oxford, Nuffield Department for Medicine, Oxford, UK (GRID:grid.4991.5) (ISNI:0000 0004 1936 8948)
4 University of Oxford, Nuffield Department for Medicine, Oxford, UK (GRID:grid.4991.5) (ISNI:0000 0004 1936 8948); University of Oxford, NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance at the University of Oxford in Partnership With Public Health England, Oxford, UK (GRID:grid.4991.5) (ISNI:0000 0004 1936 8948)
5 University of Oxford, Nuffield Department for Medicine, Oxford, UK (GRID:grid.4991.5) (ISNI:0000 0004 1936 8948); University of Oxford, NIHR Biomedical Research Centre, Oxford, UK (GRID:grid.4991.5) (ISNI:0000 0004 1936 8948); University of Oxford, NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance at the University of Oxford in Partnership With Public Health England, Oxford, UK (GRID:grid.4991.5) (ISNI:0000 0004 1936 8948)