Free COVID-19 test kits are available to American households via the United States Postal Service. People can expect to see different testing brands arrive in their mail. The Biden administration ...

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 ...

Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

Molecular tests are far superior to rapid antigen tests—and now you can get them for home use. Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would ...

Every American traveling abroad needs to take an antigen test to return to the United States. But the start of the trip is often even more cumbersome, as many other countries (nearly every one I have ...

Forbes contributors publish independent expert analyses and insights. Matt Binnicker is the CSO for Mayo Collaborative Services. Dr. Matt Binnicker, an expert in the diagnosis of infectious diseases, ...

New COVID-19 restrictions for international travel and other activities are fueling consumer demand for highly accurate polymerase chain reaction, or PCR, tests with rapid turnaround times. Some ...

A 20-second Covid test developed in Israel delivers results that are almost as good as the gold-standard PCR test – but at a fraction of the cost. Like any over-the-counter antigen test, it uses a ...

If you're wanting a rapid COVID-19 test this weekend in Sioux Falls, you might be running out of time. COVID-19 cases are on the upswing across the nation, now that the Omicron variant has been ...

If you took a COVID-19 PCR test, there's a chance your swab may have been sent to scientists around the globe for genomic sequencing analysis, the Centers for Disease Control and Prevention says. In a ...