Taking a COVID-19 test at home seems simple enough: If you get a line, you're positive for the coronavirus. But what if your results aren't so obvious? For instance, if you only get a very faint line ...

The FDA has extended the shelf life for some COVID-19 tests. Now that allergy season is here, many are finding themselves with symptoms asking: Is it allergies or a cold? COVID? Something else? Since ...

The symptoms of XFG closely resemble those of other COVID variants, Weber said, and may include: Yes. Studies have shown rapid antigen tests can detect a variety of COVID variants, including XFG, ...

Norman Regional is the first hospital in Oklahoma to offer a groundbreaking blood test that can diagnose concussions in just ...