Flu season is not over yet, experts warn. Is there a second wave coming? Here's how to protect yourself as influenza keeps spreading.

The current flu season has seen the highest rate of doctor’s visits for flu-like symptoms since the US began collecting data through a national surveillance network. CNN is tracking these case rates ...

Flu cases are increasing across the United States. The same is true in Florida, with some counties hit harder than others. If your holiday travel plans were to New York or Colorado, know that those ...

A new variant of the flu, dubbed by some as a super flu, is spreading across the United States. Weekly flu activity by state as of Dec. 20 shows high activity in Florida. Flu, cold or COVID? Symptoms ...

The United States is facing one of its most severe flu seasons in decades, data show. Infections and hospitalizations are surging, driven by a new mutated influenza A variant, H3N2 "subclade K." ...