Viral levels in wastewater started rising in late June and are considered high in the West, South and Midwest and headed that direction in the Northeast, according to Marlene Wolfe, principal ...

COVID-19 activity is rising in much of the country. Data shows overall respiratory virus spread is very low in the U.S.

Parents in the United States who want to vaccinate their young children against Covid-19 this fall may face a growing set of ...

A technician inspects vials of coronavirus disease (COVID-19) vaccine candidate BNT162b2 at a Pfizer manufacturing site in manufacturing site in St. Louis, Missouri, U.S. in an undated ...