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 ...

When the coronavirus pandemic first took hold, trying to get a COVID test was like trying to get Glastonbury tickets. Hard to come by is an understatement. But now, well over a year on, a key part of ...

A Covid-19 lateral flow test showing a negative result. Routine testing to identify those infected followed by efficient contact tracing, and supported isolation is still the most effective public ...

In a recent review published in Nature Reviews Bioengineering, researchers assessed the changing landscape of lateral flow tests (LFTs), and the development of next-generation LFTs based on lessons ...

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 ...

As the omicron variant continues to sweep the United States, the FDA is being urged to gather more information about how well at-home Covid tests are able to detect the modified virus. Mounting ...

It's a common scenario for anyone who has tested positive for COVID-19 and spent several days in isolation. You’ve tested positive for COVID, done the responsible thing and isolated. Now it’s day 5, ...