UVC's effect on germs have been very well researched for over 200 years by the NCBI, US government, military, CDC, NASA, and many universities like Harvard School of Medicine. Below are some publications. 

UVC Air Disinfection

 

June 1999

Conclusion: Installation and operation of GUV lights in central heating, ventilation and air conditioning systems of office buildings is feasible, cannot be detected by workers, and does not seem to result in any adverse effects.

 

November 2003

Interpretation: Installation of UGVI in most North American offices could resolve work-related symptoms in about 4 million employees, caused by microbial contamination of heating, ventilation, and air-conditioning systems. The cost of UVGI installation could in the long run prove cost-effective compared with the yearly losses from absence because of building-related illness.

 

September 2011

Conclusion: eUVGI decreased HVAC microbial colonization and was associated with reduced NICU environment and tracheal microbial colonization. Significant reductions in VAP and antibiotic use were also associated with eUVGI in this single-center study. Large randomized multicenter trials are needed.

 

October 2012

In 2012, Researchers at Duke University Medical Center used UVC to nearly eliminate all drug-resistant bacteria in 50 hospital rooms, reducing the number of bacteria by more than 97%.

 

November 2013

Another significant use of UV light is air disinfection because a wide variety of fungal, bacterial, and viral pathogens may be transmitted by airborne droplets as e.g., Mycobacterium tuberculosis, influenza viruses, SARS, corona virus, Aspergillus spp., and Legionella spp. UV has successfully reduced the concentration of airborne microorganisms in operating rooms during surgery.

 

April 2003

Bioterrorism is an area of increasing public health concern. The intent of this article is to review the air cleansing technologies available to protect building occupants from the intentional release of bioterror agents into congregate spaces (such as offices, schools, auditoriums, and transportation centers), as well as through outside air intakes and by way of recirculation air ducts. Current available technologies include increased ventilation, filtration, and ultraviolet germicidal irradiation (UVGI) UVGI is a common tool in laboratories and health care facilities, but is not familiar to the public, or to some heating, ventilation, and air conditioning engineers. Interest in UVGI is increasing as concern about a possible malicious release of bioterror agents mounts. Recent applications of UVGI have focused on control of tuberculosis transmission, but a wide range of airborne respiratory pathogens are susceptible to deactivation by UVGI. 

UVC Air Disinfection Solutions

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Research shows that air purifiers with UVC light are more effective at removing viruses from the air than air purifiers that use filters. Most air purifiers use HEPA filters that catch particles 300nm or larger making them ineffective at capturing coronavirus which have a molecular size of 120nm - 160nm, the flu which is 80nm - 120nm and the common cold which is 30nm. Viruses that are too small to be captured by filters recirculate back in to the air you breathe. UVC kills virus particles of all sizes. Learn More About UVC Air Purifier

Studies have shown that UVC lamps installed in HVAC systems can efficiently improve the performance of cooling coils and significantly reduce airborne pathogens, such as fungi and endotoxins, in indoor environments. More importantly, introducing UVC to HVAC systems has resulted in a statistically significant reduction in cases of worker-reported sicknesses related to airborne pathogens. Learn More About UVC HVAC

UVC Surface Disinfection

UVC was first used to disinfect surfaces in 1877. In 2020, UVC is used in banks, airports, public transportation, hospitals and many other high traffic areas to stop the spread of COVID-19. 

 

December 2017

Conclusions: The study highlights the development and successful application of a new portable device that can reduce the risk of contamination in health settings. Our results suggest that Surface UV is efficient and may be an alternative decontamination method.

 

May 2016

MHV-A59 dried and MERS-CoV droplets were stable on glass coverslips for at least 60 and 30 minutes, 0.09 and 0.22 log reduction, respectively. Plaque counts indicated that the UV-C energy emitted from the Surfacide disinfection system was able to reduce the viral titers of MHV-A59 by an average of 2.71 log10 in 5 minutes and 6.11 log10 in 10 minutes of exposure, resulting in undetectable levels of MHV-A59 virus (Figure 1). For MERS-CoV, a UV-C exposure time of only 5 minutes resulted in undetectable virus levels that remained undetectable following 30 minutes of total exposure for a 5.9 log10 reduction

 

September 2011

Background: Healthcare-associated infections caused by multidrug-resistant (MDR) pathogens are significantly associated with increased mortality and morbidity. Environmental cleaning can reduce transmission of these pathogens but is often inadequate. Adjunctive methods are warranted to enhance the effectiveness of disinfection particularly in hospital settings where healthcare-associated infections are of major concern.

Conclusions: UV-C disinfection system was effective in killing MDR pathogens. 

 

September 2016

UVC LEDs demonstrated the capacity to maintain high levels of disinfection after more than 240 h of use and they were effective against common microorganisms that are causative agents of HCAIs.

 

November 2019

As conclusion, UVSC was effective disinfecting the most contaminated surfaces assayed, being a promising alternative for disinfecting hospital materials and inanimate objects that cannot be immersed in liquid biocides, reducing the risk of pathogen transmission.

 

Updated Aug. 4, 2020

April 2020, ultraviolet germicidal irradiation, vaporous hydrogen peroxide, and moist heat have shown the most promise as potential methods to decontaminate FFRs.

UVC Surface Disinfection Solutions

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Studies in hospitals have shown that disinfecting a room with UVC light is more effective at removing viruses from the air and surfaces than chemical cleaners. In fact, to properly disinfect a surface and kill dangerous viruses you need to leave surfaces visibly wet for several minutes before wiping dry. UVC light disinfects in seconds. Some drug resistant viruses have also developed a resistance to cleaners. UVC kills all viruses even the ones resistant to drugs and cleaners. While cleaners only clean surfaces, UVC disinfects both surfaces and air. Learn More About UVC Light

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In a study of 23 American hospitals, over 50% of surfaces in patient rooms were missed completely after patients were discharged. Cleaning rates fell below 30% for toilet handles, light switches and door knobs. UVC light gets in all the nooks and crannies people miss. It's a chemical free way to disinfect any type of surface in seconds. Learn More About UVC Gun

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Research shows that many objects and devices in the office are inconsistently cleaned. Now you can disinfect anything that fits inside the cube, including laptops, PPEs, glasses, medical equipment, remote controls, documents people sign, etc. Learn More UVC Cube

To learn more about what UVC is and how it works, click here.

To learn about the history of key discoveries in the germ killing power of UVC light, click here.

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