Surface disinfection: evaluation of the efficacy of a nebulization system spraying hydrogen peroxide

Orlando, Paolo; Cristina, María; Dallera, M; Ottria, Gianluca; Vitale, Arturo A.; Badolati, G

doi:10.15167/2421-4248/jpmh2008.49.3.127

Journal of Preventive Medicine and Hygiene 2008

DOI: 10.15167/2421-4248/jpmh2008.49.3.127

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Surface disinfection: evaluation of the efficacy of a nebulization system spraying hydrogen peroxide

Paolo Orlando

María Cristina²,

M Dallera³

et al.

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Cited by 15 publications

References 10 publications

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Virucidal Efficacy of a Hydrogen Peroxide Nebulization Against Murine Norovirus and Feline Calicivirus, Two Surrogates of Human Norovirus

et al. 2016

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Human noroviruses (HuNoV) are amongst the leading causes of acute non-bacterial gastroenteritis in humans and can be transmitted via person-to-person contact, via contact with contaminated surfaces or by consumption of contaminated food. Contaminated surfaces in healthcare settings contribute to the transmission of viruses. No-touch automated room disinfection systems might prevent such a spread of contamination and thus their virucidal effect needs to be evaluated. The aim of this study was to assess the efficacy of a nebulization system spraying hydrogen peroxide on two main surrogates of HuNoV, namely murine norovirus (MNV) and feline calicivirus (FCV). The viruses were dried on cover glasses and on stainless steel discs and exposed to nebulization. The number of infectious viral particles and genomic copies before and after the nebulization was compared. The efficacy in reducing infectivity of both surrogates was demonstrated. For the infectious viral titre of MNV and FCV, a log reduction factor ≥4.84 and 4.85 was observed after nebulization, respectively, for tests on cover glasses and ≥3.90 and 5.30, respectively, for tests on stainless steel discs. Only low reductions in genomic copy numbers were observed for both surrogates. The nebulization of hydrogen peroxide showed a clear virucidal effect on both HuNoV surrogates, MNV and FCV, on two different carriers and the use of nebulization should be promoted in complementarity with conventional disinfection methods in healthcare settings and food processing facilities to reduce viral load and spread of contamination.

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Virucidal Efficacy of a Hydrogen Peroxide Nebulization Against Murine Norovirus and Feline Calicivirus, Two Surrogates of Human Norovirus

et al. 2016

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Quoi de neuf dans les techniques de désinfection des chambres de réanimation ?

2014

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Nano-treatment of HEPA filters in COVID-19 isolation rooms in an academic medical center in Saudi Arabia

Salama

Alnimr²,

AlAmri³

et al. 2022

Journal of Infection and Public Health

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Surface disinfection: evaluation of the efficacy of a nebulization system spraying hydrogen peroxide

Cited by 15 publications

References 10 publications

Virucidal Efficacy of a Hydrogen Peroxide Nebulization Against Murine Norovirus and Feline Calicivirus, Two Surrogates of Human Norovirus

Virucidal Efficacy of a Hydrogen Peroxide Nebulization Against Murine Norovirus and Feline Calicivirus, Two Surrogates of Human Norovirus

Quoi de neuf dans les techniques de désinfection des chambres de réanimation ?

Nano-treatment of HEPA filters in COVID-19 isolation rooms in an academic medical center in Saudi Arabia

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