The CDC has published real-world data showing the omicron booster cuts the risk of mid illness from the fast spreading XBB subvariants. But the protection varies by age. Adults ages 18 to 49 had a 48% ...

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

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 ...

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 ...

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

Now, a newcomer dubbed XBB.1.5 seems poised for a rise to dominance. According to CDC estimates, it accounts for more than 80 ...

Monterey County’s COVID-19 community level remains at low, according to the Centers for Disease Control and Prevention. The ...

As Boston pushes COVID vaccinations, the city has seen decreases in viral wastewater particles, hospitalizations, and cases ...

Long COVID can have many symptoms ... 1, 5 percent were XBB, and 2 percent were BA.5. Nationwide, according to the CDC, from ...

Having quickly become the primary strain in new COVID-19 cases currently in the United States ... Current data provided by ...