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.

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.

It may be summer, but COVID-19 is surging in the San Francisco Bay Area.

A significant COVID-19 surge is sweeping across 25 US states, driven by waning immunity and new variants like NB.1.8.1 ...

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

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 ...

Research shows that COVID tends to spike twice annually — once in the winter and once in the summer, and, like past years, ...

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 ...

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

Cases of COVID-19 are now likely growing in 25 states, according to estimates published by the Centers for Disease Control ...