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Ozone kills Virus - Italian Studies

[fa icon="calendar'] Mar 26, 2021 11:00:00 AM / by Dr. Isadora Guggenheim

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https://www.orbisphera.org/Pages/BeneComune/3808/Ozone_eliminates_coronavirus_Policlinico_San_Matteo_di_Pavia_confirms
OZONE ELIMINATES CORONAVIRUS: POLICLINICO SAN MATTEO DI PAVIA CONFIRMS

 

According to the experiments conducted by the doctors and teachers of three departments of the I.R.C.C.S. Policlinico San Matteo di Pavia (Microbiology and Virology; Infectious Diseases; Clinical Engineering), gaseous ozone was found to be the most effective sanitation method against Covid-19. 
 
Since the SARS-CoV-2 virus can remain in the air and on surfaces for a few hours and even for several days, effective disinfection is required both on a personal level and in the environment. 
 
The Covid-19 pandemic is a global threat. Transmission of this virus, which has already claimed 2.6 million lives, occurs through respiratory droplets and manual contact with infected surfaces. 
 
The authors of the scientific work explained that, through air transmission, SARS-CoV-2 is able to maintain its infectivity for up to 16 hours in the air indoors. It has also been shown that the virus is active up to 4.8 meters away from a Covid patient admitted to a hospital room.
 
The virus was detected on the outer surface of surgical masks up to the 7th day after infection.
 
Along with airborne transmission, Covid was found to be able to survive on a variety of surfaces: up to 4 hours on copper; up to 8 hours on latex gloves; two days on surgical gowns; from two to three days on steel; four days on the glass; four to five days on the wood; five days on the metal; four to nine days on plastic; one to five days on the card.
 
Other authors, on the other hand, found Covid active for 28 days on non-porous surfaces, such as banknotes, stainless steel, glass, vinyl.
 
As for the antiviral and antimicrobial properties of ozone, the authors of the study referred to an extensive bibliography and documented clinical evidence.
 
Already in 2009 James B. Hudson, physician at Vancouver General Hospital and university lecturer, together with colleagues Manju Sharma and Selvarani Vimalanathan, had demonstrated the antiviral properties of ozone, testing them in the laboratory and in the field on hard or porous surfaces and in the air. They worked with 12 different viral strains including coronaviruses.
 
They evaluated different types of viruses: DNA and RNA types, with or without membranes.  All were shown to be very sensitive to the action of ozone, which deactivated them both in the air and on hard surfaces (plastic, glass, stainless steel), as well as on surfaces of fabric and cotton.
 
The purpose of the study carried out by the researchers of the Policlinico San Matteo in Pavia was to investigate the effectiveness of gaseous ozone in deactivating the SARS-CoV-2 virus not only in the air but also on different types of surfaces.
 
The aim was to remove the virus from high-risk indoor environments (such as hospitals and treatment rooms), surfaces where other disinfectants cannot be used, medical equipment for which special precautions must be taken.
 
The researchers isolated the SARS-CoV-2 virus from a patient hospitalized at the San Matteo Polyclinic. The same virus was found on eight different surfaces: stainless steel, painted and unpainted aluminum, Plexiglas, glass, plastic, FFP2 masks and surgical gowns.
 
All the experimental phases were carried out inside a closed box equipped with a fan.
 
There were humidity and temperature probes and an ozone gas analysis probe, ensuring operator safety and total control of all experimental parameters.  All experimental steps with the SARS-CoV-2 virus were performed under biosecurity level 3 containment conditions.
 
The contaminated surfaces were placed on a perforated tray that allowed the flow of gas, and were fumigated with different concentrations of gaseous ozone (0.5 ppm, 1 ppm, 2 ppm) for a time between 40 and 60 minutes.  After the appropriate time, cultures were made to assess virus viability.
 
To verify the certainty of the experiment, control samples were used in a Plexiglas box, ventilated for 40 minutes and 60 minutes without fumigation with ozone.
 
Control samples were also used for the same time but without fumigation with ozone.
 
The results, extensively documented in the study, show that “gaseous ozone, in the three concentrations of 0.5 ppm, 1 ppm and 2 ppm, significantly reduced SARS-CoV-2 after 40 minutes of fumigation on all surfaces. evaluated, including the FFP2 mask and surgical gown”.
 
According to the author, there are many advantages in using ozone as a disinfectant for environments and surfaces.
 
Ozone is a much more powerful oxidant than common disinfectants (such as chlorine and hypochlorite), with a broad biocidal effect that guarantees a significant reduction of microorganisms present in the air.
 
As a gas, ozone can penetrate into any environment, especially in rooms and high-risk areas of healthcare facilities and on critical surfaces that are difficult to reach. It is therefore more effective than liquid sprays and manually applied aerosols.  It is also more effective than UV radiation because of its pervasive nature.
 
Ozone is environmentally friendly because, as an unstable gas, it is generated on site and on request, and is promptly converted back into oxygen, without leaving harmful residues.
 
In addition, ozone is quite inexpensive to generate.
 
For all these reasons, the authors of the study conclude by stating that ozone sanitation of hospitals and nursing homes could be very useful to protect healthcare workers and patients from contamination.
 
E. Percivalle, M. Clerici, I. Cassaniti, E. Vecchio Nepita, P. Marchese, D. Olivati, C. Catelli, A. Berri, F. Baldanti, P. Marone, R. Bruno , A. Triarico, P. Lago have published in the Journal of Hospital Infection.
“SARS-CoV-2 viability on different surfaces after gaseous ozone treatment: a preliminary evaluation”
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Topics: Ozone and Prolozone therapies

Isadora Guggenheim, ND, FNP, RN, MS, CNS, LMT, owner of Second Nature Naturopathic Care, LLC
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