New research reveals long COVID symptoms are not isolated but overlap and vary among individuals. Fatigue is the most common ...

Differing strains of the coronavirus continue to appear around the world and a new COVID-19 variant, the so-called "Delta" variant, has health experts concerned. The variant, otherwise known as B.1617 ...

Long COVID is best understood as a collection of overlapping symptoms rather than a single post-viral condition, suggests a ...

A large global review outlines recurring long COVID symptom clusters, including fatigue, neurological issues, respiratory ...

More children are getting infected with COVID-19 and as a result, more kids are ending up in the hospital, but health experts are still unclear on whether the Delta variant driving the resurgence of ...

The delta variant is fueling the COVID-19 surge in the United States, but experts warn that a more dangerous variant could emerge if more Americans don't get vaccinated. Delta is the most recent of ...

COVID-19 is still a serious threat for a lot of people with compromised immune systems and pre-existing conditions that can cause complications—and now, a new variant, complete with new COVID symptoms ...