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 ...

First developed more than four decades ago as a biological research technique to amplify nucleic acids, polymerase chain reaction (PCR) technology still has untapped potential, with many exciting ...

If you had COVID-19 symptoms in 2020, you probably would have masked up and braved a visit to a laboratory, doctor’s office, or clinic to get a polymerase chain reaction (PCR) test. A health care ...

When COVID first hit, waiting days for laboratory results from an ultrasensitive polymerase chain reaction (PCR) test was commonplace. Faster tests usable by anyone, anywhere, later became widely ...

Researchers have developed a working prototype of a PCR test for monkeypox that provides accurate, easy-to-read results The test works with a compact, portable system developed for COVID-19 ...

For instance, if you only get a very faint line, it might be hard to know whether or not that means your results are positive. I know how that feels firsthand. After more than two years of evading ...

Taking a COVID-19 test at home seems simple enough: If you get a line, you're positive for the coronavirus. But what if your ...

We regularly answer frequently asked questions about life during the coronavirus crisis. If you have a question you'd like us to consider for a future post, email us at [email protected] with the ...