Here's what to know about the latest COVID strain - and how to tell if your at-home test is still good to use.

And, by the way, the rapid antigen test he took when he got home that night was negative. Regardless of how you much of a health risk you see in COVID, it is still, at best, an inconvenience that ...

Polymerase chain reaction (PCR) tests are one of the most popular diagnostic tools for the detection and diagnosis of viral diseases, such as coronavirus (COVID-19), due to their ability to rapidly ...

Update, June 20: As of June 1, you can no longer order free COVID-19 tests from the federal government and USPS. A message on the covidtests.gov site says that ordering has “been suspended to preserve ...

At-home Covid tests can be ordered for free starting Monday. Households can now order four free tests for home delivery at COVIDTests.gov. According to the government website, orders will begin ...

Whether you’re already feeling sick or want to prepare for the cold season, here’s what you should know about buying a COVID test — at-home or PCR. COVID-19 cases have been on the rise (though still ...

COVID cases are starting to creep up again in the U.S., and it’s understandable to have new questions about the virus and the newest CDC guidance on isolation after a positive test. After all, it’s ...

When the emergency ends, private insurers will no longer be required to cover COVID-19 testing and treatment with no cost-sharing. Most will still cover the tests but may impose cost-sharing, ...

PCR-based bacterial and fungal detection helps scientists efficiently analyze the sterility of their cell cultures, improving Mycoplasma testing and beyond. Scientists turn to PCR-based methods that ...