The Washington Post is providing this story for free so that all readers have access to this important information about the coronavirus. For more free stories, sign up for our Coronavirus Updates ...

Another tool in preventing the spread of COVID-19 has become free and widely available: at-home COVID-19 tests. State and federal programs will even mail a limited supply of free tests straight to ...

Thea van de Mortel teaches into the infection prevention and control program at Griffith University. RATs should be kept at 2-30°C for them to work as intended. Storing at higher temperatures means ...

With the semester just beginning and over 100 positive COVID-19 test results on campus, University health experts agree rapid antigen tests are a pivotal tool for students to keep both themselves and ...

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 ...

How much should you trust the results of a rapid antigen test? That's a question many people are asking these days amid recent research and anecdotes suggesting these tests may be less sensitive to ...

RSV is short for respiratory syncytial virus. It’s a virus that can cause respiratory infections in your lungs, nose, and throat. It’s best to test for RSV soon after your symptoms start. That’s ...

The new findings are from an ongoing U.S. study that began in October and was designed to assess the performance of rapid antigen tests in asymptomatic people. By Emily Anthes Several rapid antigen ...

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 ...

Thea van de Mortel teaches into the Graduate Infection Prevention and Control program at Griffith University. Karin Plummer does not work for, consult, own shares in or receive funding from any ...

For instance, if you only get a very faint line, it might be hard to know whether or not that means your results are positive. I know how that feels firsthand. After more than two years of evading ...

A PCR test is often considered the gold standard for detecting coronavirus infection. It’s the test some employers want employees to take before returning to work after having Covid-19, and the one ...