Share on PinterestA new antigen test could tell if someone has contracted SARS-CoV-2 in as little as 15 minutes. However, 4 out of 10 results may be wrong.At the time of writing, SARS-CoV-2 — the coronavirus that causes COVID-19 — has infected 4.2 million people worldwide and caused more than 291,000 deaths. One of the…
An illustration shows spiky antigens studding the virus's outer coat. Tests under development that look for these antigens might be faster than PCR tests for diagnosing COVID-19, proponents say. But the tests might still need PCR-test confirmation. Sergii Iaremenko/Science Photo Library/Getty Images hide caption toggle caption Sergii Iaremenko/Science Photo Library/Getty Images An illustration shows spiky…
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