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 ...

Two tests are apparently better than one. Starting today, anyone looking to take a rapid COVID-19 test at any of the 27 Miami-Dade County-run testing sites will have to also take a PCR test, ...

The No. 1 national strategy for bringing the coronavirus pandemic to heel is vaccinations, but the federal government wants to see more robust testing for COVID-19, as well. Bethlehem-based OraSure ...

Given the highly infectious nature of the COVID pathogen, tests for the virus had to be quick, reliable and safe. The test ...