Evusheld was a key antibody treatment taken by people with weak immune systems as an added layer of protection.

The CDC study provides the first estimate of the omicron shots’ real-world effectiveness against the XBB family of ...

Updated Covid boosters cut the infection risk from XBB.1.5 subvariant by nearly half, CDC finds The report provides the first ...

The updated COVID-19 booster shots are at least 40% effective against symptomatic infection from omicron subvariants XBB.1.5 ...

CDC data shows the bivalent COVID vaccines protect against the omicron variant known as XBB and its subvariant XBB.1.5.

The Omicron subvariant XBB. has likely become the dominant variant in the United States, accounting for 61.3% of COVID cases in the week ended Jan. 28, data from the U.S. Centers for Disease Control ...

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

In a study released today by the Centers for Disease Control and Prevention, a single bivalent COVID-19 vaccine booster ...

XBB.1.5 is a spinoff of XBB, a subvariant of omicron that health officials worldwide have been warning about since the fall.

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

Early data published by the CDC Wednesday offers evidence that Moderna and Pfizer’s updated bivalent booster shots — tailored last summer for the omicron subvariants BA.4 and BA.5 omicron ...

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