COVID-19 cases were relatively low across the country for most of the summer, but they’re now creeping up again. Data shows that this is thanks to the new COVID-19 variant XFG, nicknamed Stratus, ...

Some states are being hit harder than others this summer as a new COVID-19 strain (XGF) continues to spread. Some regions of the U.S. are still experiencing higher rates of positive COVID tests than ...

As the weather cools and fall approaches, COVID-19 cases are still spiking in much of the United States. The country has yet to emerge from a late summer COVID wave driven by the highly contagious new ...

New COVID-19 cases continue to crop up nationwide as new variant XFG makes gains both domestically and abroad. Some regions of the United States are experiencing higher rates of positive COVID-19 ...

As summer comes to an end, COVID-19 cases are on the rise again in California. While respiratory viruses usually peak in the winter, the novel coronavirus can also surge in the warmer months.

"As these viruses continue to evolve, public health officials watch carefully to see whether new strains will be more easily ...