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 ...

Polymerase chain reaction (PCR) test kits for COVID-19 use what’s known as gene cloning – not reproductive cloning – to detect the presence or absence of the SARS-CoV-2 virus, but social media posts ...

Corrections & Clarifications: An earlier version of this column incorrectly noted the number of at-home testing kits the federal government is planning to mail to homes. At-home COVID-19 tests are ...

At this point in the pandemic, you or someone you know has probably received at least one COVID-19 test. But do you know which kind of test you got and the strengths and weaknesses of these different ...

While a COVID PCR test indicates whether or not there is genetic viral material in an individual sample, the technique does not reveal the specific variant of coronavirus that made a person sick. Once ...

COVID-19 is commonly diagnosed by quantitative fluorescence real-time reverse transcriptase-polymerase chain reaction (qRT-PCR) (1, 2). The test is the sequential action of two enzymes–an ...

In vitro diagnostics (IVD) is an umbrella term for tests conducted on blood or tissue samples to detect diseases, determine the efficacy of novel or established treatments, and monitor health.

PCR is a technique used to amplify target DNA in a sample. It’s a well-known method that has undergone numerous modifications to enhance its capabilities. This year, it’s turning 40 years old. PCR has ...

PCR-based techniques have transformed how scientists analyze transcripts’ translational applications in cancer and neuroscience research.