Select independently determines what we cover and recommend. When you buy through our links, we may earn a commission. Learn more. Gone are the days of visiting a doctor’s office to determine whether ...

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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 ...

Polymerase chain reaction (PCR) tests are one of the most popular diagnostic tools for the detection and diagnosis of viral diseases, such as coronavirus (COVID-19), due to their ability to rapidly ...