COLUMBUS, Ohio — They were there and now they’re gone. At-home COVID-19 antigen tests seemingly appeared and then disappeared off store shelves in recent weeks amid increased COVID-19 infections and ...

Dr. Matt Binnicker, an expert in the diagnosis of infectious diseases, reviews scenarios where an at-home antigen test is a good option, and when to seek out a lab-based PCR. The omicron variant is ...

At this point in the pandemic, you or someone you know has probably received at least one COVID-19 test. But do you know which kind of test you got and the strengths and weaknesses of these different ...

Early research backed by the National Institutes of Health on several popular rapid COVID-19 antigen tests suggest the kits will still work to detect cases of the Omicron variant despite a "reduced ...

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The Role of Rapid Antigen Tests During that time, our group worked on a study to examine the performance of over-the-counter tests in the general population. We used data from this study to look at ...

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 ...

Decades of searching for a single molecule Scientists named the missing molecule from the 1972 sample the AnWj antigen. For ...

Hepatitis B is a viral infection that impacts the liver. To test for hepatitis B, a doctor can perform a blood test that detects hepatitis B surface antigens. A positive result indicates a hepatitis B ...