Welcome to what some experts say is the country’s second largest COVID wave since the start of the pandemic. In the past few weeks, there’s been a striking increase in new cases, hospitalizations, and ...

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, ...

People can test themselves about as accurately at home with rapid antigen coronavirus tests as health care professionals using the same tests, according to a Johns Hopkins Medicine-led study published ...

Sander Brus didn't expect a photo of his friend's grandfather's flu diagnosis to go viral. But when he shared the image on Twitter in December, he was bombarded with messages, he said. People in the U ...

At-home COVID-19 tests have become commonplace for many households, but knowing when exactly to take a rapid test — or when to throw old ones out — isn't always straightforward. Here's what health ...

These days, many people use at-home COVID-19 tests when they feel ill, rather than going out to get tested by a professional. (That’s when they bother to test at all.) But for all their convenience, ...

People in the United States can now order more free Covid-19 tests from the federal government as the country heads into respiratory virus season with high levels of the coronavirus already ...

As Covid cases rise, at-home tests are a critical tool to keep yourself and others safe. Here are answers to a few common questions about when and how to use them. By Dani Blum Since the public health ...

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About The Study: This randomized clinical trial found that a single health care worker-collected throat specimen had higher sensitivity for rapid antigen testing for SARS-CoV-2 than a nasal specimen.