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Showing posts with label Peking University’s College of Environmental Sciences and Technology. Show all posts
Showing posts with label Peking University’s College of Environmental Sciences and Technology. Show all posts
Sunday, October 24, 2021

Non-invasive COVID-19 breath test results in 10 minutes

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A medical worker takes a swab sample from an elderly man for COVID-19 test at a testing site in Nanjing, east China's Jiangsu Province, ...