Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...
Over the past four years, many of us have become accustomed to a swab up the nose to test for COVID-19, using at-home rapid antigen tests or the more accurate clinic-provided PCR tests with a longer ...
July 25 (UPI) --Scientists at Columbia University unveiled research Monday they said is "a step closer" toward bringing polymerase chain reaction, known as PCR, testing for COVID-19 and other viruses ...
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