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 ...

A false positive result is possible with a rapid COVID-19 test. It happens when a person does not have COVID-19 but still tests positive for the disease. People can use a rapid COVID-19 test at home ...

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 ...

If you've accumulated a stockpile of rapid at-home COVID-19 tests over the course of the pandemic — including a handful of free products delivered by the government to your home — you may be surprised ...

Add Yahoo as a preferred source to see more of our stories on Google. By now, most of us know the basics of taking a COVID-19 test at home. With cases, test positivity and hospitalizations due to ...

WASHINGTON — One of the quickest ways to know if you have COVID is the rapid tests. If you are positive, a line appears on the test kit. However, you may have noticed that line can be bold or faint.

Since the start of the pandemic, the FDA has issued emergency use authorizations to a whopping 444 diagnostic tests and sample collection devices to detect the COVID-19 virus. In recent months, ...

The U.S. Army Medical Materiel Development Activity’s Warfighter Protection and Acute Care Project Management Office, along with its commercial partner BioFire Defense, announced the U.S. Food and ...

Rapid antigen Covid-19 tests, better known as home tests, have become more common in households across the country as supplies have increased. These tests are designed to give you results in less than ...