The Food and Drug Administration unexpectedly canceled an annual meeting of its advisers to update next season's influenza vaccines, an adviser on the panel and multiple officials tell CBS News ...

This season's influenza vaccine may have been a poor match to a strain of the flu virus that caused many infections this winter, early data released by the Centers for Disease Control and ...

Seasonal flu cases have hit a 15-year high this year—filling hospitals, shutting down schools, and leading to an estimated 19,000 flu-related deaths so far in the United States. These deaths ...

As influenza cases and hospitalizations continue nationwide, some experts are labeling this year as one of the worst flu seasons in recent history. "This flu season has seen the highest number and ...