All About the Flu and How to Prevent It
On this page:
How Serious Is Flu?
How Does Flu Spread?
Is It the Flu or a Cold?
Can Flu Be Prevented?
Who Should Get a Flu Shot?
When Should I Get My Flu Shot?
Why Do You Need a Flu Shot Every Year?
Are There Side Effects?
What Can I Do If I Get the Flu?
What About the "Bird Flu"?
Things to Remember About the Flu
Each winter, millions of people suffer from seasonal flu. Flu—the short name for influenza—is caused by viruses. Viruses are very small germs. Some viruses can spread easily from one person to another. They cause illnesses or infections like the flu.older woman with the flu blowing her nose
Flu is a mild illness for some people. For older people, especially those who have health problems like diabetes or heart disease, the flu can be very serious, even life-threatening.
https://www.nia.nih.gov/health/all-about-flu-and-how-prevent-it
