If you had COVID-19 symptoms in 2020, you probably would have masked up and braved a visit to a laboratory, doctor’s office, or clinic to get a polymerase chain reaction (PCR) test. A health care ...

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 ...

As convenient as home rapid tests are, many people wonder about their accuracy. How often do people get false negatives? Is one brand better than another? With so many people testing negative on rapid ...

As the federal health emergency ended May 11 and COVID numbers are on the rise, here’s how you can still access tests, at-home and PCR. (Michael Bocchieri/Getty Images) It’s that time again: COVID-19 ...

Rapid tests are not as sensitive, meaning it's possible for patients who are infected with COVID to receive a negative result. WASHINGTON -- President Joe Biden plans to announce on Tuesday that his ...

In a study involving nearly 1,000 patients seen at a Baltimore field hospital during a five-month period in 2022, researchers at Johns Hopkins Medicine, the University of Maryland School of Medicine, ...

BALTIMORE (WBFF) — A patient continued to test positive for the Coronavirus despite no longer being infested. Now new research is shining light on the reliability of Covid PCR Testing. Dr. KC Coffey, ...

If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. is a senior reporter and author of the Optimizer newsletter. She has more than 13 years of experience ...

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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 ...

COVID-19 cases have been slowly ticking up in the U.S., with the omicron BA.2 subvariant now the dominant strain in the country. At the same time, rapid at-home antigen tests have become the first ...