A research group has developed a new COVID-19 testing system using Janus particles -- microparticles with two sides possessing distinctive molecular properties. These particles are engineered to bind ...

So when and how should you use them? By Dani Blum Yet again this winter, millions of Americans will wonder if a nagging cough or body aches is a sign they’re coming down with Covid or the flu. This ...

Select independently determines what we cover and recommend. When you buy through our links, we may earn a commission. Learn more. At-home Covid tests can diagnose infection and are in stock now ...

This study included 44,598 ARI encounters with valid SARS-CoV-2 test results (Supplemental Fig. 1), of which 9439 (21.2%) were hospital admissions, 23,966 (53.7%) were ED/UC visits, and 11,193 (25.1%) ...

Experts expect cases to rise again this winter. Here’s the latest on symptoms, treatments and testing. By Dani Blum Dani Blum has reported on Covid since the spring of 2020. There are few constants ...

It seems easy enough to take a COVID-19 test at home. But what if your results aren't so simple to interpret? If you get just a faint line, does that mean you're actually positive for COVID? I know ...

Breaking out the tissues? It's that time of year! But what kind of sickness do your symptoms point to? As the weather changes, we can start feeling under the weather too — but while each illness has a ...

Long Covid continues to evade a clear diagnostic test, researchers reported in a study published Monday in the Annals of Internal Medicine. Subscribe to read this story ad-free Get unlimited access to ...