COVID-19 cases remained relatively steady week-over-week in late August, though data from states showed "very high" viral activity at the end of the month, according to the Centers for Disease Control ...

SAN FRANCISCO (KGO) -- The R1 variant is the new strain of COVID-19 researchers are keeping a close eye on. The CDC identified "multiple spike protein mutations" in this variant. "The R.1 variant does ...

As states grappled with confusion around vaccines, COVID-19 cases have continued to fluctuate nationwide. Some regions of the United States are experiencing "very high" COVID viral activity, according ...

The summer surge of COVID-19 is here, with data from the Centers for Disease Control and Prevention showing increases across much of the country. In its latest report, the CDC said the number of cases ...

Add Yahoo as a preferred source to see more of our stories on Google. Toward the end of the summer and the start of the school year, COVID-19 cases were high across the country, with lots of people ...

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, ...