The question quickly arose whether existing rapid antigen tests could detect newly emerging variants. Using clinical samples obtained from diagnostic labs throughout the U.S. from 2020 to 2023, the ...

The Food and Drug Administration has authorized emergency use of the first antigen coronavirus test, which produces results within minutes and is relatively cheap to make, according to the agency. The ...

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 ...

The World Health Organization (WHO) has reached a pivotal moment in the fight against COVID-19 by prequalifying the first two rapid antigen diagnostic tests for SARS-CoV-2. This groundbreaking ...

COVID cases are starting to creep up again in the U.S., and it’s understandable to have new questions about the virus and the newest CDC guidance on isolation after a positive test. After all, it’s ...

More than two years after the World Health Organization (WHO) declared an end to the emergency phase of the Covid-19 pandemic ...

Before COVID-19, figuring out whether a sore throat, fever, and runny nose were caused by a cold, flu, or strep wasn’t a top priority. You either powered through, knowing you’d be miserable for a few ...