期刊
ENVIRONMENTAL SCIENCE & TECHNOLOGY
卷 56, 期 17, 页码 12424-12430出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.est.2c02822
关键词
SARS-CoV-2; COVID19; UV-C; transmission; aerosol; hamster
资金
- Intramural Research Program of the National Institute of Allergy and Infectious Diseases (NIAID)
- National Institutes of Health (NIH) [1ZIAAI001179-01]
Treating environmental air with UV-C light can effectively prevent airborne transmission of SARS-CoV-2 in a hamster model, providing hope for a return to normal indoor activities.
Behavioral and medical control measures have not been effective in containing the spread of SARS-CoV-2 in large part due to the unwillingness of populations to adhere to best practices. Ultraviolet light with wavelengths of between 200 and 280 nm (UV-C) and, in particular, germicidal ultraviolet light, which refers to wavelengths around 254 nm, have the potential to unobtrusively reduce the risk of SARS-CoV-2 transmission in enclosed spaces. We investigated the effectiveness of a strategy using UV-C light to prevent airborne transmission of the virus in a hamster model. Treatment of environmental air with 254 nm UV-C light prevented transmission of SARS-CoV-2 between individuals in a model using highly susceptible Syrian golden hamsters. The prevention of transmission of SARS-CoV-2 in a natural system by treating elements of the surrounding environment is one more weapon in the arsenal to combat COVID. The results presented indicate that coupling mitigation strategies utilizing UV-C light, along with current methods to reduce transmission risk, have the potential to allow a return to normal indoor activities.
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