Depending on when you last got vaccinated, that COVID-19 shot may no longer be a good match for the variants expected to dominate this fall and winter.

Trump’s Putin dodge, Esper’s warning, NATO chief previews defense ministerial, US pushes for more Gaza aid, DOD upgrades DADT discharges ...

A new study published this week found severe COVID-19 infections from the first wave of the pandemic could double the risk of heart attack and stroke.

Illinois Gov. JB Pritzker, along with fellow Democrats Wisconsin Gov. Tony Evers and Michigan Gov. Gretchen Whitmer, issued a ...

Russia has confirmed that Donald Trump sent the Kremlin sample Covid-19 tests in the early days of the pandemic, after ...

"Findings suggest severe COVID-19 infection as a catastrophic component," Dr. Hooman Allayee, the study's principal investigator, told ABC News. "Cardiovascular mortality trends from 2010 to 2019 were ...

Bob Woodward writes in his new book “War” that Donald Trump has had as many as seven private phone calls with Vladimir Putin ...

No, that’s not true,” Kremlin spokesperson Dmitry Peskov said when asked if Trump and Putin had spoken on the phone.

In early 2020, then-President Donald Trump reportedly sent coveted COVID-19 tests to Russian President Vladimir Putin for his ...

XEC is a "recombinant" COVID-19 variant, which means it's a mix of two ... University of Queensland infectious diseases physician Paul Griffin told the ABC that XEC could become the dominant ...