Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would take a COVID test ...

With Omicron subvariants continuing to evolve and spread, more and more people are testing positive for COVID across the US and Illinois. As of the latest update, eight counties in Illinois were ...

Medically reviewed by Kate Colby, MPH 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 ...

Researchers have built an RT-PCR platform that gives results in 23 minutes that match the longer laboratory-based tests -- faster than other PCR tests on the market. It can be adapted to test for a ...

Researchers have developed a working prototype of a PCR test for monkeypox that provides accurate, easy-to-read results The test works with a compact, portable system developed for COVID-19 ...

At-home coronavirus screening has become a way of life for many Californians, but some medical experts are now cautioning that one test may not be enough to definitively determine whether someone is ...

COVID-19 cases have been slowly ticking up in the U.S., with the omicron BA.2 subvariant now the dominant strain in the country. At the same time, rapid at-home antigen tests have become the first ...

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 ...

RSV is short for respiratory syncytial virus. It’s a virus that can cause respiratory infections in your lungs, nose, and throat. It’s best to test for RSV soon after your symptoms start. That’s ...