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6:47
YouTube
NOVA PBS Official
How Coronavirus Tests Work I NOVA I PBS
What goes on inside those test tubes to detect whether a person is positive for SARS-CoV-2, the virus that causes COVID-19? The pace of coronavirus testing in the United States has seen a meteoric rise in the past week. But the country still lags in tests relative to its population, despite having the world’s most reported coronavirus cases ...
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482K views · 475 reactions | Tanner Melvin waited 18 days to receive his Covid-19 test results and learned he was positive for the virus. He says he was "very fortunate," but recognizes that getting the tests back "in a timely manner is a matter of life and death for some people." https://cnn.it/3jq5iCR | CNN Replay | Facebook
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