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GREENSBORO, N.C. — You took two COVID tests: One is a rapid at-home test, and it's negative. One is a PCR test, done through a clinic and a lab, and it's positive. Is one of the tests wrong? The Chief ...

As the nation experiences what many experts believe is the second-largest wave of COVID infections since the pandemic started, many Americans will be checking to make sure they don’t have the ...

In this week's edition of the Covid Q&A, we dive into how to know you’re really Covid negative. In hopes of making this very confusing time just a little less so, each week Bloomberg Prognosis picks ...

SAN FRANCISCO (KGO) -- A Bay Area-based cyber security company is warning consumers about purchasing fake COVID-19 PCR test results from people out to get your personal information. They're selling ...

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 ...

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 ...

Infectious disease expert Dr. Mark Kortepeter explains the pros and cons of at-home Covid diagnostic tests and how to interpret the results. One of the major challenges with having everyone receive ...

A study conducted earlier this year shows there may be a way to reduce the number of Covid infections on board commercial airplanes to virtually zero. Results of the study appeared in a peer-reviewed ...

With Omicron subvariants continuing to evolve and spread, more and more people are testing positive for COVID across the US and Illinois. As of the latest update, eight counties in Illinois were ...