CHICAGO (CBS) -- A new rapid PCR COVID-19 test invented by Northwestern University faculty and Minute Molecular Diagnostics has received FDA emergency use authorization. CBS 2's Meredith Barack ...

Thermo Fisher Scientific Inc. today announced the launch of a new rapid environmental test to help in the fight against COVID-19. The Thermo Scientific Renvo Rapid PCR Test is the latest solution in ...

To quickly confirm an asymptomatic case of COVID-19, a second rapid test within an hour of a positive result can boost the accuracy of the result from 38 percent to 92 percent, according to a new ...

COVID-19 rapid tests are easy to take—and then toss. So most people never report their results, which leaves health officials with an incomplete picture of how much virus is circulating and where. The ...

In a study involving nearly 1,000 patients seen at a Baltimore field hospital during a five-month period in 2022, researchers at Johns Hopkins Medicine, the University of Maryland School of Medicine, ...

You may get a PCR test, which can show a positive result for up to three months after recovery. If you take a rapid antigen test, it may not detect COVID after nine days, but it is more accurate for ...

NPR's Mary Louise Kelly talks with Dr. Wilbur Lam, a lead investigator assessing COVID-19 diagnostic tests for the U.S. government, about detecting the omicron BA.2 subvariant with rapid tests. The ...

There's still a lot of confusion around the best time to take a COVID test and where to get them. Here, experts share their ...