There are many shots, or vaccinations, that may keep you from getting sick. Some of these shots may also protect you from getting a serious form of the illness. Here is a list of shots that may keep you healthy. Talk to your doctor about which ones you need.

Each winter, millions of people suffer from the 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.
For some people, flu is a mild illness. For older people, especially those who have health problems like diabetes or heart disease, the flu can be very serious.