Articles
Flu shot: Your best bet for avoiding influenza
Who shouldn't get a flu shot?
Can the vaccine give me the flu?
Content
When is the flu vaccine available?
Why do I need to get vaccinated every year?
Who should get the flu vaccine?
What are my flu vaccine delivery options?
Can the vaccine give me the flu or other respiratory diseases?
What kind of protection does the flu vaccine offer?
Can I lower my risk of the flu without getting a flu shot?
Why do I need to get vaccinated every year?
Because flu viruses evolve so quickly, last year's vaccine may not protect you from this year's viruses. New flu vaccines are released every year to keep up with rapidly adapting flu viruses.
When you get vaccinated, your immune system produces antibodies to protect you from the viruses included in the vaccine. But antibody levels may decline over time — another reason to get a flu shot every year.
