Taiwan McCall, left, useless a nasal swab to test James Reese for COVID-19 in the Harlem section of New York, Monday, April 20, 2020. While many laboratories and companies are now offering tests, ...

The rapid spread of COVID-19 has launched a flurry of new tests for the highly contagious virus, as researchers and medical providers race to track and understand the pandemic. Yet Illinois — like ...

If you don't feel well, you may worry that you have COVID-19. The only way to know for sure is to take a test. At-home tests can tell whether you have the virus right now. More specialized antibody ...

Ducharme is a contributor to TIME. A nurse practitioner administers COVID-19 tests in the parking lot at Brockton High School in Brockton, Mass., on Aug. 13, 2020. A nurse practitioner administers ...

The best type of COVID-19 test to take depends on why you’re getting tested. Some tests are best for diagnosing current COVID-19 infections while others can identify past infections. Others are better ...

Research continues to show the influence your gastrointestinal (GI) system (or your “gut”) has on your overall health. While certain symptoms, such as indigestion, mood changes, and skin diseases, ...

Nurse Lynn Eidahl administers a nasal swab at a free drive-thru COVID-19 testing site at Incarnation-Sagrado Corazon Catholic church in Minneapolis in August. The community testing event was focused ...

Add Yahoo as a preferred source to see more of our stories on Google. Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) (Getty Images) If ...