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If you’ve ever thought it would be great to walk into a room and know whether the virus that causes COVID-19 is hanging around, scientists have a device for you. Researchers have created a machine a little bigger than a toaster that can detect airborne SARS-CoV-2 coronavirus in minutes.
It takes only five minutes to detect as few as seven to 35 viral particles per liter of air, r.
https://www.sciencenews.org/article/new-device-detect-coronavirus-air
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