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 ...

NEW YORK -- Millions of Americans have purchased rapid COVID-19 tests online or at local stores and signed up to receive test kits through a free government program. Unlike conventional, lab-processed ...

The explosion of omicron cases in the U.S. smack in the middle of the holiday season is forcing Americans to rely more heavily on rapid tests prior to congregating with friends and family. In some ...

At-home COVID-19 tests have become an easy way to self-diagnose. But current tests have drawbacks, such as the length of time it takes to get an answer, or how accurately the test can identify a ...

Please provide your email address to receive an email when new articles are posted on . BOSTON – Both tablet-based and website-based Melbourne Rapid Fields tests had high test-retest reliability, with ...

Lufthansa is to start trialling rapid pre-flight coronavirus antigen tests in Germany next week, which passengers will need to pass in order to fly.

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

Other countries are awash in Covid tests. The U.S. is not. By David Leonhardt Your daughter wakes up with a scratchy throat, and you can’t decide whether she should go to school. You can’t shake a ...

Texas lawmakers this year approved a pilot program to place Rapid DNA machines in two counties' jail booking stations.