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 ...

However, the new booster reduced the risk of death from COVID by more than twofold compared to vaccinated people without it, ...

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

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

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 ...

Only 15% of eligible Americans have received the shots. To spur interest, the FDA has proposed limiting boosters to once per ...

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

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

The specialized test will help experts track the fast-spreading virus and develop new strategies to contain it, Roche said.

Covid-19 cases may be trending down in California, but the new and highly transmissible Covid variant continues to spread.