Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

Nothing puts a damper on your holiday plans like a positive COVID-19 test. But what if that line is super faint? Do you still have COVID-19 —or can you go ahead and attend your office party like you ...

ANAHEIM, Calif. (KABC) -- As hospitals in Orange County prepare for a potential surge in coronavirus patients, a Garden Grove doctor is one of the first in the nation to begin using a rapid blood test ...

Ducharme is a contributor to TIME. Ducharme is a contributor to TIME. After a recent COVID-19 exposure, Dr. Christina Astley tested positive on an at-home test—but just barely. The line signifying a ...

When it comes to determining whether sniffles or a cough are COVID, people now rely more heavily on at-home tests to learn whether they have the virus. But can they trust that a self-test is providing ...

Adding a throat swab specimen to a nasal specimen significantly increased sensitivity of COVID-19 rapid antigen tests, whether self-collected or collected by a healthcare worker, a randomized clinical ...

ANAHEIM, Calif. -- As hospitals in California prepare for a potential surge in COVID-19 patients, one doctor is among the first in the nation to begin using a rapid blood test to detect the virus. Dr.