I read on {1} that:

ozone in a mobile apparatus could be used to decontaminate rooms in health care facilities, hotels and other buildings.

Can ozone be used to efficiently sanitize respiratory or surgical masks?


  • {1} Development of a Practical Method for Using Ozone Gas as a Virus Decontaminating Agent James B. Hudson, Manju Sharma & Selvarani Vimalanathan. Pages 216-223 | Received 30 Jun 2008, Accepted 26 Nov 2008, Published online: 27 May 2009. https://doi.org/10.1080/01919510902747969

I have crossposted the question at:

1 Answer 1


Apparently yes. The South China Morning Post reports that Professor Yuen Kwok-yung of HKU has been using ozone for respirator sterilization: https://www.scmp.com/news/hong-kong/health-environment/article/3078195/coronavirus-hong-kong-scientists-look

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