By Helen Troncoso | 10/29/2012 - 17:00
The sound of sneezing, coughing and runny noses means it’s officially flu season. The flu (influenza) is a contagious respiratory illness affecting your nose, throat and lungs. It’s caused by a different virus than the common cold, and while they share similar symptoms, the flu often lasts longer, can worsen chronic conditions, and can even cause death. The best way to prevent the flu is through vaccination, which is available as an injection or nasal spray.
When should you get the flu shot?