NYC Transit Authority to use UV-C lights to disinfect buses and subway cars

May 06, 2020
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by Danielle Bradnan
Average importance

While UV-C lights are known to destroy organic tissue, including some viruses (although there is not yet any evidence regarding COVID-19), the use of UV-C lights on buses and subway systems for morning cleaning is misguided. It is true that the UV-C lights will likely provide better sterilization than traditional cleaning methods alone, but the value they provide is diminished every time a new person boards the bus or subway. UV-C lights are better for applications where they can be used repeatedly throughout the day, as the protection afforded is highest immediately after the lights are used. Clients need to be thoughtful in how they deploy UV-C lights and consider them as part of a portfolio of strategies for disease mitigation.

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