Ultraviolet light band C may kill COVID-19, but there are difficulties in using it which may make it impractical.
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Send in a voice message: https://podcasters.spotify.com/pod/show/covidupdates/message
Ultraviolet light band C may kill COVID-19, but there are difficulties in using it which may make it impractical.
—
Send in a voice message: https://podcasters.spotify.com/pod/show/covidupdates/message
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