You may be able to pass on the virus, even if you don't feel sick yet. Medically reviewed by Kashif J. Piracha, MD The flu incubation period is the time from when you come into contact with the flu ...

Influenza, commonly called the flu, is a respiratory infection caused by the influenza virus. It is contagious, which means it passes easily from one person to another. Although influenza viruses can ...

Forbes contributors publish independent expert analyses and insights. Jesse Pines is an expert in healthcare innovation and wellness. A severe and early flu surge this winter, driven by a dangerous ...

Doctors explain when H1N1 can become dangerous, warning signs to watch, who is at higher risk, and when urgent care is needed ...

The symptoms of pandemic H1N1 influenza of 2009 are essentially the same as the seasonal flu, although some have noted an increased frequency of gastrointestinal symptoms, including vomiting and ...

Add Yahoo as a preferred source to see more of our stories on Google. The new flu variant, H3N2 subclade K, is a mutation of the common flu A subtype, which is often the flu "going around" come late ...