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Antiviral efficacy of disinfectant solution MRI-1
G R Skinner1, M Billstrom, S Randall
1Vaccine Research Trust, Harborough Banks, Lapworth, UK.
Abstract:
Disinfectant MRI-1 was prepared by dissolution of non-ionic and ionic detergent in ethanol. The disinfectant inactivated extracellular and intracellular enveloped and non-enveloped viruses including herpes viruses, influenza A and human immunodeficiency disease virus in suspension or on surfaces by pre-exposure or post-exposure to the disinfectant; in addition, cells were disabled as potential hosts for viral infection using concentrations of MRI-1 which were 50-fold less than the operative concentration for disinfection. There was no evidence of in vitro mutagenicity using Salmonella typhimurium or sensitization or other adverse effect in a guinea pig model or in human subjects.
Insights
Disinfectant MRI-1 effectively inactivates various viruses on surfaces and in suspension. It also prevents cells from becoming hosts for viral infections without causing mutagenicity or adverse effects.
Area of Science:
- Virology
- Microbiology
- Public Health
Background:
- Emerging viral infections pose significant public health challenges.
- Effective disinfectants are crucial for infection control in healthcare and community settings.
- Understanding disinfectant efficacy against diverse viral types is essential.
Purpose of the Study:
- To evaluate the antiviral efficacy of a novel disinfectant, MRI-1.
- To assess MRI-1's ability to inactivate both enveloped and non-enveloped viruses.
- To determine MRI-1's safety profile, including mutagenicity and human subject tolerance.
Main Methods:
- MRI-1 was prepared using non-ionic and ionic detergents in ethanol.
- Antiviral activity was tested against herpes viruses, influenza A, and human immunodeficiency virus (HIV).
- In vitro mutagenicity and guinea pig sensitization tests were performed.
Main Results:
- MRI-1 demonstrated inactivation of extracellular and intracellular viruses in suspension and on surfaces.
- The disinfectant was effective through pre-exposure and post-exposure application.
- Cells treated with a 50-fold lower concentration of MRI-1 were disabled as viral hosts.
- No mutagenicity was observed in Salmonella typhimurium assays.
- No sensitization or adverse effects were noted in guinea pig or human trials.
Conclusions:
- Disinfectant MRI-1 is a potent antiviral agent effective against a broad spectrum of viruses.
- MRI-1 offers a dual benefit by disinfecting surfaces and preventing viral host cell entry.
- The disinfectant exhibits a favorable safety profile, making it suitable for widespread use.