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

As the COVID-19 pandemic progresses, researchers say it is important to track how the coronavirus mutates because it could affect the efficacy of a vaccine. Like all living cells, viruses evolve their ...

DURHAM, N.C. (WTVD) -- COVID-19 remains a threat to public health, and the people on the frontlines of prevention have advice for everyone who's worried. ABC11 heard from experts associated with Duke ...

Experts at the U.S. Food and Drug Administration urges anyone with symptoms to go ahead and test and if your first result is negative, test again to be sure. Check online at Ohio’s heath department ...

The virus often mutates by simply deleting small pieces of its genetic code. The mutations "disguise" the virus from ...

An infectious disease specialist took the time to explain what herd immunity is, how it works and when it might affect the spread of COVID-19. Dr. Frank Esper works for the Cleveland Clinic Children's ...

As the weather cools and fall approaches, COVID-19 cases are still spiking in much of the United States. The country has yet to emerge from a late summer COVID wave driven by the highly contagious new ...