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 ...

Ce test rapide permet d'obtenir des résultats sur les échantillons d'air en 30 minutes FRANKLIN, Massachusetts--(BUSINESS WIRE)--Thermo Fisher Scientific Inc., a annoncé aujourd'hui le lancement d'un ...

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 ...

Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

COVID-19 tests are in greater demand than ever, and new data about the Omicron variant can make picking and using different types of tests confusing. Molecular tests for COVID-19, like the "RT-PCR" ...

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 ...