COVID-19 is the illness that’s caused by the novel coronavirus, SARS-CoV-2. While COVID-19 is mild to moderate most of the time, it can also cause severe illness. There are a variety of tests that can ...

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 cases of COVID-19 rising across the country, it’s more important than ever that people with symptoms—such as fever, cough, shortness of breath, loss of smell, and diarrhea—get a diagnostic test ...

Doctors use heart tests to diagnose or monitor different heart conditions. They include blood tests, electrocardiograms, echocardiograms, and coronary angiograms. Doctors use these tests to diagnose ...

There are various types of COVID-19 tests that people may choose from to find out if they are infected with the virus. Dr. Matthew Binnicker and the team at Mayo Clinic Laboratories help break down ...

Testing, testing, and more testing—it's one of the most-discussed topics in the COVID-19 pandemic. Getting it right is widely considered a crucial step in understanding and ending the pandemic. A ...