For any American wondering if they have Covid-19, there are two kinds of tests available: polymerase chain reaction (PCR) and rapid antigen (sometimes just called "rapid tests"). The two tests work in ...

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 ...

Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

Dr. Matt Binnicker, an expert in the diagnosis of infectious diseases, reviews scenarios where an at-home antigen test is a good option, and when to seek out a lab-based PCR. The omicron variant is ...

Every American traveling abroad needs to take an antigen test to return to the United States. But the start of the trip is often even more cumbersome, as many other countries (nearly every one I have ...

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CORPUS CHRISTI, Texas — You or someone you know might have taken a PCR test, and while it's normal for results to take a few days, some Coastal Bend residents have been waiting upwards of a week. Some ...

TOKYO--(BUSINESS WIRE)--Kaneka Corporation (TOKYO:4118) has released KANEKA RT-PCR Kit SARS-CoV-2 (L452R/E484Q/E484K/N501Y), a real-time PCR test kit capable of ...

Hours-long lines for coronavirus PCR tests are prompting public officials to push the masses to use rapid, at-home antigen tests instead, but public health experts warn the 15-minute tests are ...