A new Covid variant is transmitting more quickly than previous strains and has an unusual early warning sign to be aware of, ...

COVID is back: The new XFG variant, known as "Stratus," is rapidly spreading across the US and many European countries, becoming one of the prominent mutations of the summer. The World Health ...

The XFG COVID-19 variant, aka "Stratus," is spreading rapidly in the U.S. as cases climb. Here's what to know about symptoms ...

The seasonal surge in COVID-19 cases has arrived, and the Centers for Disease Control and Prevention (CDC) reports an increase in activity in the majority of states. As the U.S. approaches the ...

New data from the Centers for Disease Control and Prevention shows activity of COVID-19 is increasing across a wide swath of the country. As the U.S. approaches the midpoint of summer, the CDC is ...

Since July, the southern Chinese province of Guangdong has reported more than 10,000 cases of chikungunya fever, the largest ...