SARS-CoV-2(3) On-chip detection(1) Wet wipe(1) Hospitalized(1) Multiplexed detection(1) On-site diagnostics(1) RNA(1) SARS-CoV-2 detection(1) swabs(1) Viral RNA(1) SARS-CoV-2 virus(1) acute respiratory syndrome(1) point-of-care testing(1) diagnostics(1) collected(1) quantification(1) Surface-enhanced Raman scattering(1) separated(1) coronavirus(1) SESORS(1) optical sensor(1) Nanopillar(1) virus(1) Bacterial membrane vesicle(1) Fluidic swab(1) sensitivity(1) Recombinant protein(1) Bacteria(1) Graphene oxide(1) rapid assays(1)