Covid-19 cases are rising again in 25 US states, driven by new variants like NB.1.8.1 (Nimbus) and XFG (Stratus). Experts ...

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

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

According to a Johns Hopkins report, several virological, behavioural, and environmental factors drive summer Covid-19 waves.

SAN FRANCISCO (KGO) -- There is an increase in positive COVID-19 cases across the Bay Area, especially in San Francisco. UCSF's Dr. Monica Ghandi says it's because two new subvariants have come up ...

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

COVID-19 levels in Bloomington are currently high and on an upward trend, signaling what many public health experts believe ...

Infections of COVID-19 are growing or likely growing in half of the U.S. as of July 8, according to CDC estimates.

Infections of COVID-19 are growing or likely growing in half of the U.S. as of July 8, according to CDC estimates.