Coronavirus infections are climbing again, marking another summer wave as children go back to school. But this uptick arrives with an added layer of uncertainty because it’s unclear when and which ...

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 ...

After Pfizer’s coronavirus vaccine success, CEO targeted for revenue slump A big shareholder, Starboard Value, has alleged Pfizer interfered in its efforts to drive change by working with two ...