Add Yahoo as a preferred source to see more of our stories on Google. For any American wondering if they have Covid-19, there are two kinds of tests available: polymerase chain reaction (PCR) and ...

A friend texted me recently because her daughter’s class had a coronavirus outbreak and my friend had some questions about COVID-19 testing. Testing has been on lots of other people’s minds and in the ...

Dr. Matt Binnicker, an expert in the diagnosis of infectious diseases, reviews scenarios where an at-home antigen test is a good option, and when to seek out a lab-based PCR. The omicron variant is ...

A University of Nebraska lab has developed a test that can detect the virus before symptoms become severe. Now, it's ready to ...

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 ...

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 ...

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" ...

With COVID case rates once again surging across the DMV, and many employers/schools tightening their return-to-building policies, rapid tests have become the hot-button item to secure this winter.