No one is really excited about a nasal swab or spitting in a tube, but now that testing has become the next front in the war against COVID-19, rapid tests (now available for free through ...

A PCR test is often considered the gold standard for detecting coronavirus infection. It’s the test some employers want employees to take before returning to work after having Covid-19, and the one ...

In a recent study posted to the Lancet preprint* server, researchers assessed the utility of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) rapid antigen testing (RAT) for patient triage ...

Hours-long lines for coronavirus PCR tests are prompting public officials to push the masses to use rapid, at-home antigen tests instead, but public health experts warn the 15-minute tests are ...

Rapid COVID tests are convenient and easy to use because you can take them at home. But it's important to know how to interpret their results, when you should take another rapid test and when you ...

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 ...

A false claim on social media cites instructional leaflets in COVID-19 tests as evidence that they aren't accurate. The posts claim a list of 52 viruses "can cause a PCR test to give false positives." ...