A new COVID variant known as the "XEC variant" is raising questions and capturing the attention of researchers heading into the fall and winter season. The variant has been largely spreading overseas ...

COVID-19 cases continue to climb week-over-week as summer draws to a close, according to U.S. health data. Some regions of the United States are experiencing higher rates of positive COVID-19 tests ...

COVID-19 viral activity was high in the United States during the first week of September, according to fresh data from the Centers for Disease Control and Prevention. Some regions of the United States ...

The Food and Drug Administration announced new federal guidance for COVID-19 vaccinations on Wednesday that put new restrictions on how millions of Americans will be able to access the shots as ...