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 ...

University of Alberta-led research reports that new cases of syphilis dropped in Alberta following the introduction of rapid point-of-care testing and same-day treatment. The research team compared ...

Add Yahoo as a preferred source to see more of our stories on Google. Rapid tests are inexpensive, easy to use and give fast results, usually within 10 to 15 minutes. Violeta Stoimenova/E+ via Getty ...

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 ...

When Rebecca Santucci of Lakewood learned that her sister, Stacy, may have been exposed to COVID-19, she set out to look for a rapid test. She needed to know quickly whether their 88-year-old father ...

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 ...