Which of the following interventions has been proven to reduce the indoor presence of airborne pathogens by 98%?
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A study published by the journal Nature in March 2022 found that an ultraviolet light technology called "Far-UVC" reduces the indoor number of airborne pathogens by 98.4%. The paper also explains that "many infectious diseases, including COVID-19, are transmitted by airborne pathogens," and the results of this study prove that Far-UVC is "an effective and 'hands-off' technology to reduce airborne disease transmission." In contrast, multiple studies have shown that surgical masks do nothing to reduce the presence of indoor airborne pathogens and that cloth masks are more permeable than surgical masks.
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