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J Virol Methods. 2008 Oct;153(1):74-7. doi: 10.1016/j.jviromet.2008.06.004. Epub 2008 Jul 24.

Virion disruption by ozone-mediated reactive oxygen species.

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Department of Microbiology and Molecular Biology, Brigham Young University, 857 WIDB, Provo, UT 84602-5253, USA.


It is well documented in the scientific literature that ozone-oxygen mixtures inactivate microorganisms including bacteria, fungi and viruses (Hoff, J.C., 1986. Inactivation of microbial agents by chemical disinfectants. EPA 600 S2-86 067. Office of Water, U.S. Environmental Protection Agency, Washington, DC; Khadre, M.A., Yousef, A.E., Kim, J.-G., 2001. Microbiological aspects of ozone applications in food: a review. J. Food Sci. 66, 1242-1252). In the current study, delivery and absorption of precisely known concentrations of ozone (in liquid media) were used to inactivate virus infectivity. An ozone-oxygen delivery system capable of monitoring and recording ozone concentrations in real time was used to inactivate a series of enveloped and non-enveloped viruses including herpes simplex virus type-1 (HHV-1, strain McIntyre), vesicular stomatitis Indiana virus (VSIV), vaccinia virus (VACV, strain Elstree), adenovirus type-2 (HAdV-2), and the PR8 strain of influenza A virus (FLUAVA/PR/8/34/H1N1; FLUAV). The results of the study showed that ozone exposure reduced viral infectivity by lipid peroxidation and subsequent lipid envelope and protein shell damage. These data suggest that a wide range of virus types can be inactivated in an environment of known ozone exposure.

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