The XFG COVID-19 variant, aka "Stratus," is spreading rapidly in the U.S. as cases climb. Here's what to know about symptoms ...

New antiviral drugs in development could offer the strongest line of defense yet against COVID-19 and other coronaviruses, ...

There is a new flare in Delhi’s air; almost every home appears to have at least one member who's sick but not actually sick. A sore throat, a cough that lingers, and a strange feeling of fever without ...

The Food and Drug Administration says if you have symptoms an at home test will suffice for any COVID variant. If the test comes back negative, test again. If you’ve been around someone with COVID, ...