Learn interesting facts about the flu, a viral infection that targets the respiratory system. ... Credit: CAVALLINI JAMES/BSIP/Universal Images Group via Getty Images.

Flu facts Flu FAQ Glossary Flu pictures Discover more The flu is a contagious viral infection of the respiratory system that affects the nose, throat and lungs. It is caused by influenza viruses.

The flu is a contagious viral infection of the respiratory system that affects the nose, throat and lungs. It is caused by influenza viruses. Symptoms of mild flu infections can resemble those of ...

Is it just us or does it feel like it’s ALWAYS flu season? And you know what that means: It’s time to trudge to the doctor and get that vaccine injected into your arm or sprayed up your nose.

Do you have the flu? Learn more about symptoms and treatment from abc11.com and the North Carolina Department of Health and Human Services.

This shot of data will tell you all you need to know about the upcoming flu season.

A flu vaccine can’t give you the flu, but it might make your arm sore or cause a low-grade fever. Learn about other common side effects and rare complications.

Bird flu pops up every year in the same way that flu season does for humans. Each time there's a different strain as mutations mix in and around wild and domestic animals. Animals, of course, get ...

The flu ward at Walter Reed Hospital in Bethesda, Maryland, circa World War I. | Heritage Images/GettyImages. The so-called Spanish Flu killed between 40 million and 100 million people worldwide ...

CDC data shows 83% of children who died from child flu weren't vaccinated. Learn why experts say the flu shot is crucial for protecting kids this season.

Image source: Getty Images. Chances are that if you look out your window the leaves on the trees are beginning to change color and the weather is. 6 Flu Season Facts You Probably Don't Know | Nasdaq ...