Ozone and the Coronavirus

Recent editorial by Barry Loeb of the IOA below. For the full version click HERE:

https://www.tandfonline.com/doi/full/10.1080/01919512.2020.1770029

By the time this issue reaches our readers, we are hopeful that the numbers of new COVID-19 cases are starting to decrease, and the world is on the way to some form of recovery. Unfortunately, the recovery may take quite some time and there is always the concern of another wave.

Researchers are dedicating countless hours on ways to control the virus and protect the public against it. In the last issue of Ozone: Science & Engineering (OS&E), we presented a statement encouraging research into ozone inactivation of coronavirus. Ozone is known as being highly effective for the inactivation of many viruses.

We also referenced a paper published in OS&E in 2009 “Development of a Practical Method for Using Ozone Gas as a Virus Decontaminating Agent” by James B. Hudson and coauthors. The purpose of this work was to develop a practical method of utilizing ozone in a mobile apparatus that could be used to decontaminate rooms in health care facilities, hotels, and other buildings. The results showed that an ozone concentration of 20–25 ppm with > 90% relative humidity could provide at least 3 log inactivation on different hard and porous surfaces, and in the presence of biological fluids. One of the viruses successfully inactivated was the murine coronavirus used as a surrogate for the SARS virus. This paper is available open access and can be accessed at: https://doi.org/10.1080/01919510902747969. It has received more than 33,000 views as of this writing.

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