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, ...

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 ...

Jürgen Pipper and his team at the Institute of Bioengineering and Nanotechnology in Singapore have developed a rapid test for genetic diagnosis that combines the preparation of biological samples with ...

With Christmas around the corner and COVID-19 case numbers rising, it’s important to keep getting tested when you have symptoms, have been exposed to the virus, or are going to a high-risk environment ...

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 ...

UCSF volunteers work at a COVID-19 pop-up testing site around 16th Mission BART station. The testing was part of a series of initiatives by Unidos en Salud — a partnership between UCSF and the Latino ...

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 ...

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 ...

There are two main ways to test for infection with SARS-CoV2 (the coronavirus that causes COVID-19 disease). The first is a very sensitive test that looks for the RNA of the virus using a technique ...