Fresh surveillance shows COVID-19 is quietly heating up at the height of summer, fueling concerns that the virus could ...

COVID-19 cases are rising in half of US states. Is this the start of a summer wave? What to know about COVID trends and the ...

Wastewater SARS-CoV-2 detections, another early marker, were at the very low level earlier this summer and are now at the low level, with the highest levels in the West, followed by the South. States ...