The Food and Drug Administration granted emergency use authorization to the first over-the-counter antigen test for COVID-19 that can be used at home in individuals ages 2 and up, including those not ...

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 ...

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" ...

Hospital Metropolitano is now offering rapid antigen tests for U.S. citizens who need a negative result in order to return to their home country. In doing so, they join Laboratorios Echandi, Hospital ...

TORONTO, Ontario (CTV Network) -- As Canadian provinces rely more heavily on rapid antigen tests as part of their strategy to curb the spread of COVID-19, there have been concerns over the possibility ...

(WXYZ) — Now that the government is offering free COVID-19 testing kits to all Americans, many may have questions about how accurate these tests are and when they ...

A new corona test developed at the University Hospital Bonn can analyze a large number of swabs simultaneously using sequencing technology and has a similarly high sensitivity as the common qPCR test.

Antigen tests can identify the presence of antigens within the body, which are substances that cause immune responses, such as the release of antibodies. The immune system, and antibodies specifically ...

Dr. Matt Binnicker, an expert in the diagnosis of infectious diseases, reviews scenarios where an at-home antigen test is a good option, and when to seek out a lab-based PCR. The omicron variant is ...

Dr. Gigi Gronvall, a leading international expert on tests, kindly joined us for a spirited tour d’horizon. People need tests for multiple purposes on a continuous basis: You “can’t just get one test ...