The flu, or influenza, is a common illness that affects many people each year - frequently in the fall and winter, although it is present year-round. It can present with symptoms like a fever, cough, sore throat, and body aches. While the flu can be serious, especially for young kids and older adults, there are many ways to protect yourself and stay healthy.
Here, you'll learn what the flu is, how it spreads, and the best ways to prevent it, like getting a flu shot and washing your hands often.
Find information and resources about the flu and its variations.