The COVID-19 tests developed by the Centers for Protection and Disease Control (CDC), as well as those developed in Washington and New York, are PCR tests.

Real-time RT-PCR tests can't tell if you've had COVID-19 in the past (blood tests that search for the presence of coronavirus antibodies do that).

The White House outbreaks illustrate the limits of what Covid-19 diagnostics can and can’t tell us, and why different types of tests are needed to help control infection spread.

HOW DO THESE TESTS WORK? Both PCR and rapid antigen tests use samples obtained from nasal and/or throat swabs to detect the presence of the virus. However, what they are looking for is different.

This article will take a look at how LabCorp OnDemand’s COVID-19 test works. How does LabCorp OnDemand’s COVID-19 test work? Previously called Pixel by LabCorp, LabCorp OnDemand’s COVID-19 ...

PCR coronavirus tests: A swab and a wait Most coronavirus testing discussed by public officials and the media refers to polymerase chain reaction testing, better known as PCR.

The Covid-19 rapid antigen tests are very fast and convenient, but how often do they give false results? Two new studies yield some answers.