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

As new variants continue to emerge, there is growing evidence that global warming could influence transmission of the virus ...

Fresh surveillance shows COVID-19 is quietly heating up at the height of summer, fueling concerns that the virus could ...

A newly dominant strain of COVID-19, known as NB.1.8.1 or “Nimbus,” is now the most common variant circulating in the United States. According to recent data from ...

While most people will clear the virus and get a negative antigen test result within 10 days, some people may keep testing positive for longer than that, experts tell TODAY.com. And if you keep ...

What to know about COVID symptoms, testing and incubation as the new "razor blade throat" Nimbus variant has caused a summer 2025 spike.

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

Fact Finders look into the "razor blade throat" COVID variant to see if the current vaccine will protect you, and if ...

COVID-19 cases are rising in half of U.S. states. What to know about COVID trends and the new Stratus and Nimbus variants.

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

XFG (Stratus) is the latest subvariant of Omicron that is gaining momentum in the summer surge of the pandemic.

Vaccine boosters help keep cancer patients from being hospitalized or admitted to intensive care units due to COVID-19, according to a new study led by Cedars-Sinai investigators. Their findings, ...