Here’s what the Centers for Disease Control and Prevention (CDC) says about the Delta variant, its symptoms, characteristics and other things to watch for: Viruses constantly change through mutation, ...

BALTIMORE — The delta variant symptoms are different from the original strand of COVID-19, a Johns Hopkins doctor said. Dr. Gabe Kelen, the director of emergency medicine at Johns Hopkins, said the ...

A new CDC report warns the Delta variant is one of the most contagious viruses that exist, with each infected person passing it to 8 or 9 others. The delta coronavirus variant surging across the ...

As COVID-19 continues to evolve, new variants have emerged in 2026 with symptoms and transmission characteristics similar to earlier strains but with some distinct traits. Understanding these new ...