CHICAGO (WLS) -- Work being done inside a UIC lab will hopefully lead to more information about various strains of COVID-19, including the Delta variant. "What we want to know is how fast these ...

SAN FRANCISCO (KGO) -- Bay Area doctors and health officials are concerned about the rapid spread of the COVID-19 Delta variant, warning significant outbreaks could trigger a setback for the state.

HOUSTON, Texas (KTRK) -- Texas Medical Center healthcare leaders are now calling the increase in COVID-19 cases a fourth wave. On Tuesday, the TMC's president and CEO said that hospitalizations went ...

As the delta variant continues to spread in countries around the world, some COVID-19 safety restrictions have been reinstated in efforts to curb the rising cases. But the director of the U.S. Centers ...

The World Health Organization issued new recommendations that even fully vaccinated people should keep wearing masks and social distancing. Researchers said there is still a lot to learn about the ...