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 ...

NEW YORK -- Millions of Americans have purchased rapid COVID-19 tests online or at local stores and signed up to receive test kits through a free government program. Unlike conventional, lab-processed ...

Yes, the experts agree. If you performed the test correctly, a faint line on a COVID test is still a positive result. "Any ...

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 ...

Here’s what you need to know about when to take a test for accurate results, and how to get kits for free. By Knvul Sheikh and Dani Blum While Covid has become a regular part of respiratory virus ...

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 ...

With Covid-19 cases up across the country, many people are once again relying on home tests to guide decisions about going to work and sending their kids to school and other activities. A lot of those ...

If you've ever taken an at-home diagnostic test for COVID-19, you can partially credit the technology to the Johns Hopkins University Center for Innovative Diagnostics for Infectious Diseases (CIDID).

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 ...