When the flu strikes, it can feel relentless: rising fever, hacking cough, stuffy nose and sore throat. For many people, relief can come in the form of Tamiflu, a prescription antiviral medication ...

This year’s influenza virus has been dubbed the “super flu” for how quickly it’s spreading — and how hard it’s hitting. In fact, infections have broken records in New York, with 71,123 positive flu ...

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

As cases of a new, highly contagious “super flu” surge across the nation this holiday season, more and more Americans are looking for ways to treat the symptoms, which include everything from fever ...

NBC's chief science and health correspondent Robert Bazell answers your questions about the swine flu vaccine. Should there be concern because this vaccine was rushed that there may not have been as ...