The worst flu season in years is swamping California, prompting a renewed surge in hospitalizations as officials warn the ...

Flu cases are surging across the nation, closing nearly a dozen schools and swamping hospitals in some states. At least 24 ...

Influenza cases in the United States have reached their highest levels in over a decade, with the Centers for Disease Control ...

Low vaccination rates may be contributing to the spread of flu, but data suggests the number of cases so far this season is ...