COVID-19 cases are rising in half of U.S. states. What to know about COVID trends and the new Stratus and Nimbus variants.

The COVID-19 summer surge is here. “COVID has become part of our lives, but we never took our eyes off it,” said infectious disease physician Supriya Mannepalli.

A surge in COVID-19 infections has swept the country this summer, upending travel plans and bringing fevers, coughs and general malaise. It shows no immediate sign of slowing.

Arizona isn't experiencing the same summertime COVID-19 surge as California, but the illness is spiking in pockets of the state.

The pandemic officially ended more than a year ago, but COVID-19 is still spreading amid increased travel, leading to a surge in new infections in Atlanta, experts say.

A surge in COVID-19 infections has swept the country this summer, upending travel plans and bringing fevers, coughs and general malaise. It shows no immediate sign of slowing. While most of t… ...

As COVID-19 cases continue to climb here and across the country, we are learning more about why this virus seems to like the hotter temperatures.

A surge in COVID-19 infections has swept the country this summer, upending travel plans and bringing fevers, coughs and general malaise. It shows no immediate sign of slowing. While most of the ...

A surge in COVID-19 infections has swept the country this summer, upending travel plans and bringing fevers, coughs and general malaise. It shows no immediate sign of slowing. While most of t… ...