By providing quantitative information about Covid-19 infection, PCR testing can help guide isolation and return to school or work policies.

The coronavirus disease (COVID-19) is conventionally diagnosed using a reverse transcription-polymerase chain reaction (RT-PCR) test, which provides accurate results at the expense of time.

There’s a big difference between the standard at-home antigen test and a molecular (PCR or NAAT) test. Molecular tests are the ones you want when accurate testing is important. Here are four ...

Thinking of picking up a home COVID test? Get to know everything from how they work to when to use them and where to buy yours from.

Managing Back-to-School Respiratory Infections In late summer, tens of millions of children throughout the United States return to school, sharing tales of their summer adventures and, inevitably, new ...

The PCR test is considered the “gold standard” for COVID testing and the test is expected to be in high-demand once the Canadian border reopens.

PCR tests are one of the most accurate forms of testing for the coronavirus. PCR stand for polymerase chain reaction test. There are many different reasons why you may need to book a covid test, for ...

Taso subsequently took a rapid antigen test, which turned up positive: "I knew I had it," he said. False negatives with PCR testing are actually far more common than one might expect. Daniel ...

PCR tests are accurate but can take a long time to produce results. Antigen tests, the other major type of coronavirus test, while much faster, are less accurate.

Travelers are more confused and stressed about COVID testing than any other part of travel right now. That's why the first FDA approved at-home self molecular test is such a big deal.

PCR testing is more accurate than an antigen test — because it’s more sensitive at picking up traces of the coronavirus in your body — but it may take longer to get your results than with an at-home ...