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 ...

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 ...

Omicron's impact on hospitalizations is multifaceted, officials have said. On the one hand, it appears to cause less severe disease than delta, which until two weeks ago was the dominant variant in ...

A new spinoff of the Omicron variant of the coronavirus is getting attention from scientists as it becomes the dominant cause of Covid-19 infections in some parts of the world. A new spinoff of the ...

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