ATLANTA -- The empty middle seat on airplanes, one of the few advantages of pandemic, is about to disappear. Delta Air Lines, the last remaining US airline to keep middle seats unbooked, has lifted ...

Moderna on Tuesday released preliminary data indicating its vaccine is likely to hold up against several variants of concern, including the Delta variant, which is predicted to become the dominant ...

All but one positive Covid-19 test sample sequenced this week from Erie County turned out to be the Delta variant, a strain wreaking havoc in several Southern states and regions across the country ...

Johnson & Johnson said Thursday that new data shows that its single-shot COVID-19 vaccine provides protection against the virus for at least eight months and effectively prevents infection from ...

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: ...

WASHINGTON (AP) — When the pace of vaccinations in the U.S. first began to slow, President Joe Biden backed incentives like million-dollar cash lotteries if that’s what it took to get shots in arms.

WASHINGTON — Pfizer is about to seek U.S. authorization for a third dose of its COVID-19 vaccine, saying Thursday that another shot within 12 months could dramatically boost immunity and maybe help ...