Combination tests could be a real game changer this winter, if with a single nasal swab doctors are able to test patients for several different respiratory viruses at once. GENETWORx is a Virginia ...

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 ...

But the company that created the 30-minute, over-the-counter test has filed for bankruptcy, so the product’s eventual availability to consumers remains unclear. By Christina Jewett and Emily Anthes ...