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 ...

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 ...

President Joe Biden has outlined plans to massively ramp up COVID-19 testing in an effort to curb – or at least slow – the spread of the highly infectious omicron variant across the U.S. In a speech ...

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 ...

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 ...

You've probably been hearing a lot about rapid COVID-19 testing lately. Some schools and workplaces are using rapid tests to monitor local transmission rates. Celebs like the Kardashians have even ...

What does it mean if a person's rapid antigen test result comes back positive after five days of isolation due to COVID-19? According to the experts, that person is most likely still carrying a viral ...

A false positive result is possible with a rapid COVID-19 test. It happens when a person does not have COVID-19 but still tests positive for the disease. People can use a rapid COVID-19 test at home ...

Scientists at UC San Diego Health have teamed up with an Escondido company to develop a new rapid test for the coronavirus that causes COVID-19 that can be scaled up to analyze as many as 100,000 ...

RICHMOND, Va. (WRIC) — Rapid COVID-19 testing is becoming more accessible for folks in central Virginia. Rapid testing, the tool some call one of the most critical in fighting COVID-19, hasn’t been ...