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

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

The CDC has published real-world data showing the omicron booster cuts the risk of mid illness from the fast spreading XBB ...

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 ...

So far, XBB.1.5 hasn’t proven to be more severe than others, Dr. Barbara Mahon, director of the CDC's proposed Coronavirus and Other Respiratory Viruses Division said during an interview with ...

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

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

However, the XBB.1.5 subvariant comprised 27.6% of sequenced COVID cases nationally for the week ending Jan. 7, 2023 — compared with 18.3% for the week ending Dec. 31, the CDC said on Friday.