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Reduction of severe acute respiratory syndrome coronavirus-2 infectivity by admissible concentration of ozone gas and water.
Murata, Takayuki; Komoto, Satoshi; Iwahori, Satoko; Sasaki, Jun; Nishitsuji, Hironori; Hasebe, Terumitsu; Hoshinaga, Kiyotaka; Yuzawa, Yukio.
  • Murata T; Department of Virology and Parasitology, Fujita Health University School of Medicine, Toyoake, Japan.
  • Komoto S; Department of Virology and Parasitology, Fujita Health University School of Medicine, Toyoake, Japan.
  • Iwahori S; Department of Virology and Parasitology, Fujita Health University School of Medicine, Toyoake, Japan.
  • Sasaki J; Department of Virology and Parasitology, Fujita Health University School of Medicine, Toyoake, Japan.
  • Nishitsuji H; Department of Virology and Parasitology, Fujita Health University School of Medicine, Toyoake, Japan.
  • Hasebe T; Department of Radiology, Tokai University Hachioji Hospital, Tokai University School of Medicine, Hachioji, Tokyo, Japan.
  • Hoshinaga K; Department of Urology, Fujita Health University School of Medicine, Toyoake, Japan.
  • Yuzawa Y; Department of Nephrology, Fujita Health University School of Medicine, Toyoake, Japan.
Microbiol Immunol ; 65(1): 10-16, 2021 Jan.
Article in English | MEDLINE | ID: covidwho-1066571
ABSTRACT
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is causing the global coronavirus disease 2019 (COVID-19) pandemic. Because complete elimination of SARS-CoV-2 appears difficult, decreasing the risk of transmission is important. Treatment with 0.1 and 0.05 ppm ozone gas for 10 and 20 hr, respectively, decreased SARS-CoV-2 infectivity by about 95%. The magnitude of the effect was dependent on humidity. Treatment with 1 and 2 mg/L ozone water for 10 s reduced SARS-CoV-2 infectivity by about 2 and 3 logs, respectively. Our results suggest that low-dose ozone, in the form of gas and water, is effective against SARS-CoV-2.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Ozone / Virulence / COVID-19 Type of study: Prognostic study Language: English Journal: Microbiol Immunol Year: 2021 Document Type: Article Affiliation country: 1348-0421.12861

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Ozone / Virulence / COVID-19 Type of study: Prognostic study Language: English Journal: Microbiol Immunol Year: 2021 Document Type: Article Affiliation country: 1348-0421.12861