Flu Shot Explained: Protection Against Influenza & What It Does

Getting a flu shot means you have received a vaccination against the influenza virus. The flu shot helps protect you from getting sick with the flu (influenza). The flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It can cause mild to severe illness and can lead to hospitalization and even death.

The flu shot works by introducing a small amount of the inactivated influenza virus into your body. This allows your immune system to produce antibodies that can recognize and fight off the flu virus if you are exposed to it. It takes about two weeks for the flu shot to provide full protection.

The flu shot is recommended for everyone 6 months of age and older, especially those at high risk of developing complications from the flu, such as young children, pregnant women, people with chronic health conditions, and people over 65.

The flu shot is safe and effective. It is the best way to protect yourself from the flu and its complications.