Nathaniel Hafer receives funding from the National Institutes of Health via awards UL1TR001453 and U54HL143541. Apurv Soni receives funding from the National Institutes of Health via awards ...

This is because on the first day you perform an at-home test, it might not be able to detect low levels of the virus and you may get a false negative, even if you’re symptomatic, says Dr. Sharon ...

The availability of rapid antigen tests has significantly advanced efforts to contain the spread of COVID-19, but every new variant of concern raises questions about whether diagnostic tests will ...

The United States is once again watching coronavirus cases and hospitalizations rise as summertime nears. Nearly half of Americans – 45 percent – are living in communities with medium or high ...

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WORCESTER – Anyone who gets a negative result for COVID-19 from an at-home rapid antigen test shouldn't assume they're not infected, and should keep testing, according to a safety recommendation ...

New modeling by COVID-19 Modeling Aotearoa suggests that testing with Rapid Antigen Tests before ending isolation for confirmed cases of COVID-19 would significantly decrease the risk of onward ...

You swabbed the inside of your nose and performed the at-home rapid antigen test for COVID-19 and thankfully, it was negative. Hold on. Do the test again, says the U.S. Food and Drug Administration, ...

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 ...

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 ...