Antigen and PCR tests diagnose COVID-19. Read about how these tests differ in their method of determining results, accuracy, timing, skill requirement, and costs.

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 ...

A new highly sensitive, easy-to-use test for COVID-19 that requires a single swab and 15 minutes has received emergency use authorization (EUA) status from the US Food and Drug Administration (FDA).

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 ...

Only a single PCR test is required by comparison. If you need testing more quickly, there are other programs offering free or low-cost tests, including community-based testing sites.

At-home Covid-19 test systems from two tech startups—the Cue Health Monitoring system and the Detect Covid-19 Test—are put through their paces to the answer the question, “Is a Keurig-like ...

A PCR test isn’t even required to get a prescription for the antiviral Paxlovid. It may seem paranoid to plan ahead for a possible case of Long COVID—but the odds of getting it aren’t so long.

Not every over-the-counter COVID-19 test or collection kit can be reliably used past its intended shelf life. Storage temperature also matters.

A quote from Nobel-winning chemist Kary Mullis about PCR testing was made in the 1990s and is unrelated to COVID-19.

What is a polymerase chain reaction (PCR) test? Here, we describe how the tests work and why health experts and researchers use them.

Rapid tests are available. That's taking a lot of the pressure off the testing locations where PCR testing was available, so that's much less widely and quickly available.