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

A new form of the flu, which is highly contagious and aggressive, is sweeping the nation this season. A mutation of influenza A H3N2, called subclade K, has been detected as the culprit in rising ...

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 ...

The number of people getting sick with influenza B has gone up for three weeks straight, now making up about a third of flu cases nationwide.

Oregon has landed itself in the CDC’s worst tier for flu activity, as have six other states. Arkansas, Kansas, Louisiana, ...

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 ...

For the first time, scientists have been able to watch the flu virus live as it infects human airway cells. They developed a ...

Influenza vaccination is associated with significantly lower odds of myocardial infarction (MI), according to a large meta-analysis published late last week in BMC Public Health. In the study, ...