NEW YORK -- Millions of Americans have purchased rapid COVID-19 tests online or at local stores and signed up to receive test kits through a free government program. Unlike conventional, lab-processed ...

COVID-19 rapid tests are easy to take—and then toss. So most people never report their results, which leaves health officials with an incomplete picture of how much virus is circulating and where. The ...

The implementation of a rapid screening process could improve patient flow during surges in patient volume without affecting rates of return to the emergency department, according to a study published ...

A rapid DNA testing machine displays 77 minutes remaining on a 90-minute test. The use of rapid DNA testing is becoming more widespread across Connecticut as an evidentiary tool. Credit: Mark Mirko / ...

In a busy clinic in Jackson, Mississippi, a clinician performs a rapid syphilis test on a pregnant woman. Within 15 minutes, the results are in — she is infected — and treatment can begin immediately.

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 ...