The omicron subvariant BA.2, also known as "stealth" omicron, has steadily grown more common in the U.S. since it was first detected in the country in January, but that doesn't mean it will trigger a ...

The winter Omicron surge hit Southern California harder than any other part of the state, a Times data analysis found, again underscoring the region’s vulnerability. The data — from Dec. 1, when the ...

CHICAGO (CBS)-- The first confirmed case of the BA.2 subvariant of the Omicron COVID-19 variant has been detected in Illinois. As CBS 2's Marie Saavedra reported Monday night, doctors and scientists ...

On 11 January, just seven weeks after the Omicron variant was first reported, the World Health Organization (WHO) warned of a “tidal wave” of infection washing from west to east across the world.

More than two-thirds of cases of the Omicron variant of COVID-19 are among people who have been reinfected with the virus, a new study said Wednesday. Imperial College London researchers reported that ...

A significant proportion of people infected with the omicron variant of coronavirus were still contagious when they reach the U.S. Centers for Disease Control’s recommended self-isolation exit date of ...

The World Health Organization has released a new report on Omicron sub-variant BA.2 which shows the strain accounted for 21.5% of all new Omicron cases analyzed worldwide in the first week of February ...

Deaths from COVID-19 in Los Angeles County have soared over the last week, with officials saying most of the recent fatalities appear to be from the Omicron variant. The spread of the latest ...

Covid-19 case counts in the United States have dipped in recent days, a promising sign that the Omicron wave is starting to subside. But hospitalizations and deaths are still rising, and experts say ...

The first case of the Omicron variant detected in mainland France has been identified in the northern Ile-de-France region, French health authorities said Thursday. A statement from the Ile-de-France ...

Nationally, COVID-19 cases and hospitalizations are trending down; however, they are still high in most places. The virus has surged and calmed differently in different states, counties and regions, ...