Omicron COVID-19 variant detected in Nebraska, Utah

Much remains unknown about the omicron variant, including whether it is more contagious, as some health authorities suspect, whether it can thwart vaccines and whether it makes people as sick as the original strain.

5 cases of omicron variant detected in New York

At least five people in New York have been infected with the omicron variant of the coronavirus. Four of the cases are in New York City and one is in Suffolk County.