As vaccinations slow in the U.S., the Delta variant is driving a rise in cases.
The highly infectious version of the virus ‘is gaining ground,’ one Southern governor warned amid an uptick of recorded infections in almost every state.
Unvaccinated Americans are less worried about traveling than vaccinated Americans are, study says
Unvaccinated people appear more comfortable traveling — and to more densely-populated places — than vaccinated people, according to data from Zeta Global.
How Covid Upended a Century of Patterns in U.S. Deaths
The pandemic brought a record uptick in deaths, interrupted a downward trend in death rates and spurred the highest death rate above normal ever recorded in the country.
More Contagious Virus Variant Is Now Dominant in U.S., C.D.C. Chief Says
The B.1.1.7 variant, first identified in Britain, is now the source of most new coronavirus infections in the United States, the director of the Centers for Disease Control and Prevention said.