With Omicron subvariants continuing to evolve and spread, more and more people are testing positive for COVID across the US and Illinois. As of the latest update, eight counties in Illinois were ...

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 ...

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The COVID-19 pandemic led to many changes. Among them is universal familiarity with a molecular diagnostic technique that was largely unknown outside clinical use. The polymerase chain reaction — or ...

Most people who contract COVID-19 likely won't experience symptoms for more than two weeks at most, but could test positive even after that. According to the Centers for Disease Control and Prevention ...

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 ...

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 ...