(NEXSTAR) – Early studies indicate omicron may have a shorter incubation period than prior coronavirus variants, but does that affect how long someone is contagious with the virus? The Centers for ...

SAN FRANCISCO -- There's a new "subvariant" of the omicron variant that's been spreading across Europe and the U.S. Preliminary data shows it's more contagious than omicron. Scientist have named it BA ...

The explosive increase in U.S. coronavirus case counts is raising alarm, but some experts believe the focus should instead be on COVID-19 hospital admissions. And those aren't climbing as fast. Dr.

The more contagious omicron BA.2 subvariant now makes up 72% of Covid infections that have undergone genetic sequencing in the U.S., according to data from the Centers for Disease Control and ...

A new symptom of COVID-19 is showing up in kids under age 5 who have been infected with the omicron variant. Doctors say cases of croup are on the rise. "What we're seeing with omicron is the virus is ...

NEW YORK -- This holiday season held promise for Americans, many of whom spent Christmas 2020 in quarantine or away from loved ones due to a nasty winter COVID-19 surge. Yet in the last week or so, ...

COVID-19 cases and deaths have been falling across the U.S. for several weeks as the omicron wave recedes. But the Centers for Disease Control and Prevention says a new subvariant of omicron is ...

Omicron subvariants BA.4 and BA.5 are circulating at low levels in several countries within Southern Africa and Europe, according to the World Health Organization. The two subvariants of the highly ...