Is hand washing the best way to prevent the spread of the flu?

The Centers for Disease Control and Prevention recommends a flu vaccine as the first and most important step in protecting against the flu. However, preventative actions like covering your cough and washing your hands often are important everyday steps that can help stop the spread of germs.

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1. Can the flu vaccine give you the flu?
2. Are the "stomach flu" and influenza the same thing?
3. Is December or later too late to get the flu vaccine?
4. I got the flu vaccine last year, do I need to get it again?
5. Is hand washing the best way to prevent the spread of the flu?
6. How is the flu virus spread?
7. People get the flu all the time. It's not that serious, right?
8. I hate shots, is there another way I can get the vaccine?
9. Can I spread the flu if I don't have any symptoms?