The PCR test has anchored the American response to the pandemic. In CDC guidelines written by a council of state epidemiologists, a positive PCR result is the only way to confirm a case of COVID-19.

Currently available COVID-19 tests, including PCR tests, are designed to detect any version of SARS-CoV-2, and are not specific for different variants. When should I use an at-home test?

What is RT-PRC Test? What does RT-PCR stand for and how exactly does the test work to detect COVID-19 SARS-CoV-2. Let’s decode the science behind it.

We now have access to PCR tests and rapid antigen tests which you can use at home. So which test should you use? And what's the difference?

For now, the main way to screen for COVID-19, the disease caused by the coronavirus, is through what's known as polymerase chain reaction, or PCR, testing. The test looks for the coronavirus ...

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.

With the development of at-home COVID-19 tests, there are several ways to get tested in the safety and privacy of your own home.

Medically reviewed by Kate Colby, MPH How long you will test positive for COVID-19 after recovery depends on several factors. People with asymptomatic or mild illness generally test negative after ...