A 30-second single-leg stance could be an effective way to detect subtle deficiencies in a child's balance after a concussion, research shows.

A new COVID test combines the speed of over-the-counter antigen tests with the accuracy of PCR tests that are processed in medical labs and hospitals.

A new rapid test that can detect all known COVID-19 variants, including Omicron, could guide treatment and identify high-risk patients, researchers say.

Using dried spots of blood from elephants is a viable way to evaluate their health, research shows.

"If you have COVID-19 symptoms and test positive on an at-home test, you have COVID-19. You don’t need to get another test to confirm the results."

The US is still on its heels when it comes to COVID-19 testing. Will mailing free at-home tests or reimbursement make a difference?

Researchers have developed a unique method for detecting SARS-CoV-2 in breath samples using viral RNA detection. They call the breathalyzer "the Bubbler."

COVID-19 spit tests that contain the right preservative can also help the study of microscopic organisms in the mouth. That could lead to new treatments.

A new procedure that targets false-positive COVID-19 test results could prevent unneeded quarantines and repeated testing, researchers say.

A new procedure that targets false-positive COVID-19 results could prevent unneeded quarantines and repeated testing, researchers say.