The COVID‐19 pandemic has increased the necessity for novel strategies to safely decontaminate public areas. This study investigates the efficacy of a low irradiance 405‐nm light environmental decontamination system for the inactivation of bacteriophage phi6, as a surrogate for SARS‐CoV‐2. In addition, bacteriophage phi6 was exposed to low irradiance (~0.5 mW cm^{−2}) 405‐nm light while suspended in SM buffer and artificial human saliva, to establish the influence of biologically relevant suspension media on viral susceptibility. Results indicated complete/near‐complete (≥99.4%) inactivation in all cases, with significantly enhanced reductions observed when suspended in saliva ( P < 0.05), which is a major vector in COVID‐19 transmission.
Viricidal Efficacy of a 405‐nm Environmental Decontamination System for Inactivation of Bacteriophage Phi6: Surrogate for SARS‐CoV ‐2
[Category] update2024,
[Article Type] Research Note
[Source] PMC
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