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

Virus levels have increased sharply since June, with nearly all wastewater sites showing signs of transmission.

Since its arrival in 2020, public health experts have come to expect a biannual spike in COVID-19 infections during summer and winter months. But while cases in Santa Cruz County are higher than she’d ...

COVID-19 rages on as a new threat to the state of California.According to recent reports, a deadly subvariant, NB1.8.1 or “Nimbus,” is on the rise and carries symptoms of razor blade throats ...

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

COVID-19 cases in California show a potential summer surge, with wastewater data indicating increased virus levels.

Airport screening in the U.S. detected the new variant in travelers arriving in California, Washington state, Virginia and ...

The World Health Organization (WHO) is keeping an eye on a new COVID-19 variant called NB.1.8.1, or “Nimbus,” that has spread across Europe, the Americas and the Western Pacific.

The COVID-19 variant that may be driving a recent rise in cases in some parts of the world has earned a new nickname: “razor blade throat” COVID.That's because the variant — NB.1.8.1. or ...