There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

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 ...

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 ...

Before COVID-19, figuring out whether a sore throat, fever, and runny nose were caused by a cold, flu, or strep wasn’t a top priority. You either powered through, knowing you’d be miserable for a few ...

PCR swab tests that look for viral RNA have become the gold standard for identifying infection with the SARS-CoV-2 virus, but their results aren't 100% accurate. Researchers report that testing for ...

India's Tata Group launched a COVID-19 test kit on Monday that it says will process results more easily and faster than the RT-PCR method considered the gold standard for detection, at a time when ...

At-home COVID-19 tests have become an easy way to self-diagnose. But current tests have drawbacks, such as the length of time it takes to get an answer, or how accurately the test can identify a ...

Over a million Slovaks took a coronavirus swab on Saturday as the country launched a huge logistical operation to test most of its population over the weekend to reverse a rise in the pandemic.

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 ...