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.

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

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 ...

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 ...

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

In California, the recent COVID-19 wave posted some of the highest summer cases since 2022, according to the California Department of Public Health.

ATLANTA — As the Centers for Disease Control and Prevention (CDC) continues to report high COVID-19 cases across the country amidst a summer surge, some experts are already thinking about how ...

California, Georgia, Alabama, Illinois and Massachusetts are among the states seeing a rise in COVID-19 infections, according to the CDC.

Testing for COVID-19 is sporadic and the true number of cases isn’t clear because many infections aren’t reported.

COVID-19 is on the upswing in the US Factors for the seasonal uptick could be increased travel, people staying indoors to avoid summer heat and the virus’ continued evolution.

Testing for COVID-19 is sporadic and the true number of cases isn’t clear because many infections aren’t reported.