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.

COVID-19 is rising again in California, driven by new variants like “Nimbus,” amid a nationwide summer wave. Despite “low” overall activity, wastewater data and ER visits indicate a growing trend.

Measles cases in the U.S. have surged to a record high, 25 years after the virus was declared eliminated in 2000.

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

Coronavirus cases may surge in the coming weeks, as they have every summer since the pandemic began five years ago, experts said.