Far-UVC light safely kills ( or inactivate ) airborne coronaviruses

The researchers found that more than 99.9% of the exposed virus had been killed by a very low exposure to far-UVC light.

Based on their results, the researchers estimate that continuous exposure to far-UVC light at the current regulatory limit would kill 90% of airborne viruses in about 8 minutes, 95% in about 11 minutes, 99% in about 16 minutes, and 99.9% in about 25 minutes.

Manuela Buonanno, David Welch, Igor Shuryak, David J. Brenner. Far-UVC light (222 nm) efficiently and safely inactivates airborne human coronaviruses. Scientific Reports, 2020; 10 (1) DOI: 10.1038/s41598-020-67211-2

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https://www.nature.com/articles/s41598-020-67211-2

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