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Areas within indoor environments may experience different degrees of use, and this may result in different levels of bacteria and microorganisms. Here is what you need to know.
Defining Low-Touch Surfaces
Low-touch surfaces are objects that experience the least amount of contact in indoor environments.1 These can include surfaces like:
- Walls,
- Ceilings, and
- Floors.
Low-touch surfaces are often compared to high-touch surfaces, or surfaces that are associated with more contact with people in indoor environments.
Low-Touch Surfaces and Microorganisms
Low-touch surfaces may seem like they are not areas at high risk of carrying bacteria and microorganisms. This, however, may not be entirely true – as different microorganisms have been associated with frequenting low-touch surfaces at substantial rates.
For example , a 2022 University of California San Diego study3 determined the presence of detectable SARS-CoV-2 in three apartments:
| Apartment | Type of Surface | Positive | Negative | Positive Percentage |
| A | Low-Touch | 17 | 36 | 32% |
| B | Low-Touch | 5 | 42 | 11% |
| C | Low-Touch | 19 | 35 | 35% |
There is a way to improve the disinfection of low-touch surfaces, and this includes the use of Ultraviolet (UV) light.
UVD Robots for UV Disinfection
UVD Robots are a series of mobile, self-navigating UV disinfection robots produced by the Danish company Blue Ocean Robotics, a company that manufactures and develops mobile robots for the service industry.
These robots are self-driving and require minimal labor to distribute Ultraviolet C (UV-C) light to disinfect indoor areas. UVD Robots use 254 nanometer (nm) UV-C light in particular, a type of light associated with reducing:
- Escherichia coli,
- Candida Albicans,
- Staphylococcus aureus, and
- Clostridium difficile
at greater than 3-log to greater than 6-log rates, representing a reduction efficacy of greater than 99.9% to greater than 99.9999%.2
In this way, UVD Robots can eliminate the types of microorganisms found on some low-touch surfaces such as floors and walls, using 254 nm UV-C light - solidifying the practice of cleaning and disinfection.
Get in contact
UVD Robots provide fully automated disinfection solutions with predictable, and cost effective outcomes in various environments.
Click the button to learn how our UVD Robots are using UV-C light to eliminate more than 99.99% of selected microorganisms in the environment by disinfecting with UV-C light.
