Opens in a new tab or window Currently authorized bivalent COVID-19 boosters demonstrated similar protection against ...

CDC officials expect protection against severe illness to be higher than that, though that data has not come in yet. Some scientists have warned the XBB subvariants could cause another Covid wave ...

Other data the CDC plans to release later Wednesday ... suggests that protection against COVID-19 fades within about three months against XBB, faster than against other variants.

Last week, the CDC published initial data with promising implications for people who get the updated Covid-19 boosters.

New data from the Centers for Disease Control and Prevention (CDC) indicates that the updated bivalent COVID-19 vaccines do ...

The CDC has lowered its estimate of omicron subvariant XBB.1.5's prevalence in the U.S., now saying the highly transmissible strain accounts for about 28 percent of COVID-19 cases. The CDC first ...

A booster dose provided at least 3 months of protection against symptomatic XBB and XBB.1.5 infections in seniors who had ...

The CDC reports that in the region that includes California, the COVID-19 omicron XBB.1.5 sub-variant now dominates with 35.1 ...

It's important to note CDC officials haven't named any particular group of symptoms as being directly associated with the XBB ...