A team at UC San Diego School of Engineering is working to develop a sensor that would stick to your facemask and detect COVID-19 in your breath.

“Just imagine you would have a roll of stickers. And as you head out in the day you put one of these on, you would breathe through it. And at the end of the day you click a little blister pack and if the liquid changes colors that means you need to take some more action,” explained UCSD NanoEngineering professor Jesse V. Jokerst, PhD.

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