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Coronavirus Sparks New Interest In Using Ultraviolet Light To Disinfect Indoor Air

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A quartz UV germicidal lamp is used to disinfect a train at the Sviblovo station of the Moscow Metro transit system. (Tass via Getty Images)
A quartz UV germicidal lamp is used to disinfect a train at the Sviblovo station of the Moscow Metro transit system. (Tass via Getty Images)

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