Using clinical samples obtained from diagnostic labs throughout the U.S. from 2020 to 2023, the National Institutes of Health, through its Variant Task Force, analyzed the effectiveness of more than ...

Over-the-counter multiplex tests for more than one illness may soon come to a pharmacy near you. Paco Burgada/iStock via Getty Images A scratchy, sore throat, a relentless fever, a pounding head and a ...

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 ...

These rapid antigen tests offer a quick and easy way to screen for COVID-19, including the new variant EG.5, or "Eris" People / Madison Woiten Even if you’ve grown accustomed to a life without face ...

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 ...

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 ...

More than two years after the World Health Organization (WHO) declared an end to the emergency phase of the Covid-19 pandemic, the virus continues to circulate globally. While current data suggest ...

It was possible -- albeit rare -- for people not infected with SARS-CoV-2 to have persistent false positive rapid antigen COVID-19 tests, longitudinal data showed. Among a large cohort of over 11,000 ...

Nothing puts a damper on your holiday plans like a positive COVID-19 test. But what if that line is super faint? Do you still have COVID-19 —or can you go ahead and attend your office party like you ...