People often talk about COVID-19 testing like it means only one thing. But in reality, the U.S. Food and Drug Administration (FDA) has so far granted emergency-use authorization to more than 200 ...

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 ...

If you had COVID-19 symptoms in 2020, you probably would have masked up and braved a visit to a laboratory, doctor’s office, or clinic to get a polymerase chain reaction (PCR) test. A health care ...

A PCR test is often considered the gold standard for detecting coronavirus infection. It’s the test some employers want employees to take before returning to work after having Covid-19, and the one ...

With Omicron surging in the United States, many people are taking COVID-19 tests to see whether they test positive. Most people will take either a rapid antigen or PCR test. Though the PCR test is ...

COVID-19 tests are in greater demand than ever, and new data about the Omicron variant can make picking and using different types of tests confusing. Molecular tests for COVID-19, like the "RT-PCR" ...

A video advocating for an airline that vows to resist any future COVID-19 restrictions such as requirements to be vaccinated, wear a face mask, or provide a negative COVID-19 test, contains false ...

“Infectious diseases don’t respect borders,” says Khoa Thai, a clinical microbiologist at the Star-shl medical diagnostics laboratory in the Netherlands. To limit their spread, we need a globally ...

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 molecular tests. It was a courtesy—he felt perfectly ...