One of the best ways to figure out how far a virus like COVID-19 has spread in a community is to test for it. This step-by-step guide explains how coronavirus swab-the-nose-and-throat tests work, and ...
Scientists from Spain have recently compared the efficacy of the quantitative polymerase chain reaction (qPCR) method and immunohistochemistry in detecting severe acute respiratory syndrome ...
Polymerase chain reaction (PCR) tests have become routine because of the COVID-19 pandemic, with more than a million PCR tests being carried out daily in the United States alone. What are now commonly ...
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