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Masks used to protect health care workers during the COVID-19 pandemic are sanitized with ultraviolet light at Vanderbilt University Medical Center in Nashville, Tennesee. Scienists hope that UV light can be used to disinfect high-risk indoor spaces and help slow the pandemic. (ASSOCIATED PRESS)
Photo by: Mark Humphrey
Masks used to protect health care workers during the COVID-19 pandemic are sanitized with ultraviolet light at Vanderbilt University Medical Center in Nashville, Tennesee. Scienists hope that UV light can be used to disinfect high-risk indoor spaces and help slow the pandemic. (ASSOCIATED PRESS)

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