When you buy through links on our articles, Future and its syndication partners may earn a commission. "The flu," or seasonal influenza, is caused by influenza viruses, like those pictured above. | ...

Every winter, respiratory viruses, especially influenza, SARS-CoV-2 and RSV, put huge pressure on health care systems ...

Patients with 2009 influenza A H1N1 infections have higher rates of gastrointestinal symptoms and lack of fever compared with those who have seasonal flu. Most patients have mild symptoms, but a small ...

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

The seasonal flu shot is a yearly vaccine administered to protect against the flu, or influenza. Here are the facts and side ...

Avian influenza, or bird flu, has been confirmed in multiple parts of our region, and beyond. We're digging into the facts on this flu, and how some farmers in Pennsylvania are trying to keep their ...

Flu season, as many people are well aware, is on the horizon. Visiting your local flu shot center is of vital importance if you'd like to limit your chances of catching the virus. But before you hurry ...

Complications related to the upper airways, including sinusitis or otitis; Pulmonary complications, including bronchitis, asthma (sometimes with status asthmaticus), and acute exacerbations of chronic ...