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 ...

Large field hospital study shows rapid COVID-19 test compares solidly with PCR detection Rapid antigen test offers advantages of time and cost savings, as well as easier distribution and application ...

New findings demonstrate how the rapid antigen test can be used to triage healthcare workers for returning to work during periods of acute staffing shortages during COVID surges. They also show that a ...

Researchers from Johns Hopkins Medicine and collaborating institutions report that a rapid antigen test for SARS-CoV-2—the virus that causes COVID-19—proved highly accurate when compared to the ...

Health care worker Patricio Candia shows a rapid COVID-19 test with a positive result outside a supermarket in Santiago, Chile, on June 27, 2020. A study found rapid antigen COVID-19 tests were more ...

Artificial intelligence-focused healthcare technology company Gauss partnered with Cellex, a biotech company specializing in point-of-care diagnostic testing, to create the first rapid COVID-19 ...

The FDA has issued emergency authorizations to 12 antibody tests for the virus. As federal officials gradually begin reopening the country, expanded testing is central to the conversation. Until now, ...

What does it mean if a person’s rapid antigen test result comes back positive after five days of isolation due to COVID-19? According to the experts, that person is most likely still carrying a viral ...

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.