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 ...

The internal CDC document said the Delta variant was more transmissible than the viruses that cause MERS, SARS, Ebola, and the seasonal flu.

PITTSBURGH (KDKA-TV) - A 73-year-old man is recovering at the VA Hospital in Oakland, Pennsylvania after contracting the Delta variant of the COVID-19. There is a critical twist in his story, however: ...

While all eyes are on the new and little-understood omicron variant, the delta form of the coronavirus isn't finished wreaking havoc in the U.S., sending record numbers of patients to the hospital in ...

Covid-19 cases in the country are on the rise again. While infections had seen a drop in May with the infection rate coming down to 7.91 percent on the 29th of that month, the infection rates are back ...

Rich countries are opening up societies and vaccinating young people who are not at great risk from Covid-19, while the poorest countries cruelly lack doses, the World Health Organization said on ...