Four theories could explain the variants' ability to jump from person to person. In recent months, new variants of the virus that causes COVID-19 have been popping up all over the world, and experts ...

It's been less than a month since health officials reported the first known case of a new and more contagious coronavirus variant in Texas. The man, a Harris County resident, had no travel history.

You can expect to see the usual suspects in terms of COVID-19 symptoms this December: Cough, fever, fatigue, sore throat and sinus congestion are some of the most common, with some patients also ...

If you're feeling sick and your throat pain is quite severe, you may have caught the latest COVID-19 variant, known for its "razor blade" sore throat. The new COVID variant, NB.1.8.1, was first ...

A new COVID-19 strain, referred to as NB.1.8.1 or "Nimbus," first appeared in the U.S. sometime near the end of April and is currently the dominant variant in the U.S. The new variant is said to be ...

If more Americans don't get vaccinated, there is "ample chance" of another coronavirus variant emerging, one that could be more aggressive and more pervasive than the delta variant, Dr. Anthony Fauci ...

As summer comes to an end, COVID-19 cases are on the rise again in California. While respiratory viruses usually peak in the winter, the novel coronavirus can also surge in the warmer months.

Connecticut residents are bracing for a potential summer COVID surge as two highly transmissible new variants sweep across the state, prompting health officials to issue urgent warnings about ...

Since the emergency phase of the COVID pandemic has ended, researchers have been studying the long-term consequences of a ...