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.

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

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

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

The CDC Only Tracks a Fraction of Breakthrough COVID-19 Infections, Even as Cases Surge A May 1 decision by the CDC to only track breakthrough infections that lead to hospitalization or death has ...

“What we’ve seen over the last week or so is a steady rise of cases,” said CDC Director Dr. Rochelle Walensky on Monday. ... Michigan is already suffering another Covid-19 surge, ...

CDC Director Rochelle Walensky was near tears on Monday warning of a new surge in COVID-19 cases. "Right now I'm scared," Walensky said at the White House's COVID-19 briefing.

Amid Surge In COVID-19 Cases, CDC Has More Advice For How To Stay Safe Some parts of the country are seeing an increase in coronavirus cases. At the same time, many states are reopening gyms and ...

The US risks a fourth surge of COVID-19 cases if people don't follow public-health recommendations, according to the top official at the Centers for Disease Control and Prevention.