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

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

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

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

A summer wave of Covid-19 is hitting parts of the US, driven by the Nimbus variant. Here's what to know about symptoms, its spread, and how to stay safe.

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

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

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 ...

Nation Grapples with Record Measles Outbreak; Political Blame Game Intensifies The United States is currently experiencing ...

Never COVID-19 varaint NB.1.8.1 sweeps 25 US states with the disease amid summer. Keep these precautions tips to protect your ...