Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would take a COVID test using one of my rapid home PCR tests. It was a courtesy—he felt perfectly ...

A negative result from a COVID test in a medical setting is more accurate than a negative result from an at-home test, ...

The PCR test, which involves replicating a segment of COVID-19 DNA, is distinct from human cloning. In addition, the paper cited as evidence predates the pandemic and is unrelated to human cloning.

These days, many people use at-home COVID-19 tests when they feel ill, rather than going out to get tested by a professional. (That’s when they bother to test at all.) But for all their ...

A PCR test, which is taken by a doctor and processed in a lab is more reliable in detecting if you are negative for COVID. If you take an antigen test, which is an at-home test, a negative result ...

COVID tests don’t last forever, but do expired COVID tests work? The answer is a little complicated. Here’s the deal with COVID test expiration dates.

This article outlines how a false positive on a rapid COVID-19 test can happen. It also discusses other factors, such as test accuracy and steps people should take if they test positive for COVID-19.

RSV tests are generally better at finding the virus in infants and young children who haven’t had RSV before. That’s because they’ll have more virus in their systems.

PCR tests can also pick up lower levels of the virus and would offer a more accurate determination for those looking for one. The steps for what to do if you test negative can depend on symptoms ...