COVID-19 cases are rising in half of US states. Is this the start of a summer wave? What to know about COVID trends and the ...

A new Covid-19 variant, Stratus (XFG or XFG.3), also known as “Frankenstein” due to its recombinant nature, has been ...

Variant NB.1.8.1 accounted for 0% of U.S. cases in April. By mid-June, it was estimated to be the cause of around 37% of cases.

Scientists are closely monitoring the rapid global spread of two new Omicron subvariants, Nimbus (NB.1.8.1) and Stratus (XFG) ...

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to ...

A new strain of COVID-19, XFG, is spreading rapidly across the world, including in the United States. Anecdotally, people who ...

Scientists are currently studying how well people are protected against severe disease from XFG. Researchers conducted lab ...

A promising new COVID-19 vaccine candidate developed by researchers at the Centenary Institute and the University of Sydney ...

SAN FRANCISCO (KGO) -- There is an increase in positive COVID-19 cases across the Bay Area, especially in San Francisco. UCSF ...

Researchers from the Centenary Institute and the University of Sydney created the CoVEXS5 vaccine, which protects against ...

The World Health Organization has added the variant, known formally as XFG, to its monitoring list. A dry, irritated throat ...

NB.1.8.1 is one of the latest variants of COVID-19, a "slightly upgraded version" of the LP.8.1 variant that is prominent ...