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Sticker puts simple COVID-19 test on masks

Duration: 01:49
Researchers at UC San Diego have developed a simple COVID test that fits on a small sticker on a mask. They say it can be a good early indicator of risk for exposure.

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a close up of a screen: Researchers at UC San Diego have developed a simple COVID test that fits on a small sticker on a mask. They say it can be a good early indicator of risk for exposure.

Sticker puts simple COVID-19 test on masks

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