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 ...

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 ...

At-home rapid COVID antigen tests are playing a larger role in the fight against disease variants. Photo credit: Rose Hoban This story originally published online at NC Health News. In the coming days ...

State officials are pausing the use of on-site rapid antigen COVID-19 testing after questions arose about the procedure’s accuracy. The temporary pause, beginning Monday, came about after ...

A new study updates the state of knowledge about antigen rapid diagnostic tests (Ag-RDT) in the diagnosis of coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome ...

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It was possible -- albeit rare -- for people not infected with SARS-CoV-2 to have persistent false positive rapid antigen COVID-19 tests, longitudinal data showed. Among a large cohort of over 11,000 ...

While it still won’t be as simple as before the pandemic, making plans to cross the border should be a little easier and less expensive starting Monday, Feb. 28. Earlier this month the Canadian ...

Many EU governments oppose common rules on the use of rapid COVID-19 tests, an internal document seen by Reuters says, in a ...

How much should you trust the results of a rapid antigen test? That's a question many people are asking these days amid recent research and anecdotes suggesting these tests may be less sensitive to ...

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