Reports of respiratory illness have now reached "high" or "very high" levels across at least 16 state or big city health departments, the Centers for Disease Control and Prevention said, as trends of ...

Thanksgiving week is typically one of the biggest travel periods of the year, but winter holidays like Christmas, Hanukkah, Kwanzaa and New Year's Eve aren't that far behind—and all that traveling, ...

COVID rebound is when COVID-19 symptoms return soon after they go away or a person registers a positive COVID-19 test result after testing negative for several days. COVID rebound can happen in people ...

About three-quarters of people in the U.S. have had COVID-19 at least once, according to the latest federal estimates—but, if they were asymptomatic, some of them might not realize it. Since the ...