Strain found in 29 states and Puerto Rico carries spike mutations, but no data shows increased severity ...

WASHINGTON — President Joe Biden urged concern but not alarm Tuesday as the United States set records for daily reported COVID-19 cases and his administration struggled to ease concerns about testing ...

People line up to get on the Air France flight to Paris at OR Tambo International Airport in Johannesburg, South Africa, Friday Nov. 26, 2021. A slew of nations moved to stop air travel from southern ...

The COVID positivity rate on Long Island is back up to nearly 2%, in part to a subvariant of Omicron. Doctors say the stealth Omicron variant of the coronavirus is slightly more contagious than ...

While the winter surge of COVID-19 infections fueled by the Omicron variant appears to be easing, authorities are watching the emergence of an Omicron “sub-lineage” that has spread rapidly in some ...