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 ...

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The Antigen test uses the same technology as the rapid flu or strep test. The rapid test can be very accurate, but your symptoms, your exposure, and your doctor's guidance dictate which test is right ...

A man holds a negative rapid antigen coronavirus test at a makeshift testing center run by the Magen David Adom emergency service, in east Jerusalem, Monday, Jan. 24, 2022. (AP Photo/Mahmoud Illean) ...

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 ...

Rapid COVID tests are convenient and easy to use because you can take them at home. But it's important to know how to interpret their results, when you should take another rapid test and when you ...

As fall temperatures set in, cold and flu season gets into full swing and holiday travel picks up, people will undoubtedly have questions about COVID-19 testing. Is this the year people can finally ...

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As the COVID-19 pandemic enters its fourth year, a negative result on a little plastic at-home test feels a bit less comforting than it once did. Still, you dutifully swab your nostrils before dinner ...