The Journal of hospital infection · 2026
Use of ANCHOR viruses to validate radiative, physical and chemical decontamination systems in operational conditions.
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Gallardo Franck, Poirier Valentine, Quentin-Froignant Charlotte, Figueroa Thomas, Volmer Romain, Proust Anais, Menard Camille, Rosa-Calatrava Manuel, Mousnier Morgane, Authier Olivier, Lainisalo Dani, Lainisalo Pertti, Ingelius Tero, Grandadam Marc, Marcheteau Elie
Аннотация
OBJECTIVES: Effective disinfection is essential in settings such as high-containment laboratories, healthcare environments and public spaces, particularly for controlling the spread of pathogenic viruses. Current methods for evaluating disinfection efficacy are time-consuming, often lacking adaptability to real-world conditions.
METHODS: In this study, we used ANCHOR tagged auto-fluorescent viruses enabling the detection of infectious particles by high-throughput microscopy. These models were used to mimic viral contamination and evaluate disinfection procedures, such as UV-C LED systems, self-decontaminating surface or chemical disinfection of sensitive areas such as BSL-4 showers and pressurized suits.
RESULTS: Replicative ANCHOR-tagged viruses demonstrated high environmental persistence (particularly hAdV5 and VACV) and retained infectivity profiles suitable for disinfection studies.
CONCLUSIONS: Viral models based on ANCHOR provide a rapid (16h readout), low-risk and miniaturized tool for evaluating disinfection methods. This technology is a significant asset for early development, quality control and validation of disinfection systems under operational conditions. Albeit it cannot replace normative testing yet, this method enables the accelerated and cost-effective development of new disinfection systems.
METHODS: In this study, we used ANCHOR tagged auto-fluorescent viruses enabling the detection of infectious particles by high-throughput microscopy. These models were used to mimic viral contamination and evaluate disinfection procedures, such as UV-C LED systems, self-decontaminating surface or chemical disinfection of sensitive areas such as BSL-4 showers and pressurized suits.
RESULTS: Replicative ANCHOR-tagged viruses demonstrated high environmental persistence (particularly hAdV5 and VACV) and retained infectivity profiles suitable for disinfection studies.
CONCLUSIONS: Viral models based on ANCHOR provide a rapid (16h readout), low-risk and miniaturized tool for evaluating disinfection methods. This technology is a significant asset for early development, quality control and validation of disinfection systems under operational conditions. Albeit it cannot replace normative testing yet, this method enables the accelerated and cost-effective development of new disinfection systems.