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Seasonal Influenza (Flu) Vaccination

Pronounced (in-floo-EN-za)
Flu vaccination

The single best way to protect against the flu is to get vaccinated each year.

The trivalent flu vaccine protects against two influenza A viruses and an influenza B virus. The following trivalent flu vaccines are available:

The quadrivalent flu vaccine will protect against two influenza A viruses and two influenza B viruses. The following quadrivalent flu vaccines will be available:

(*”Healthy” indicates persons who do not have an underlying medical condition that predisposes them to influenza complications.)

CDC does not recommend one flu vaccine over the other. The important thing is to get a flu vaccine every year.

What You Should Know

About the Disease

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Vaccine Information

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Beliefs & Concerns about Influenza Vaccines

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Vaccine Safety

As with all vaccines, there can be minor reactions, including pain and redness at the injection site, headache, fatigue or a vague feeling of discomfort.

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Who Should Not be Vaccinated?

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For Health Professionals

Clinical Information on Influenza

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Vaccine Supply, Distribution and Storage

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Coverage Levels, Safety and Composition

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Recommendations for Influenza Vaccination

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Vaccine Administration

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References and Resources

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Provider Education

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Materials for Patients

*"Healthy" indicates persons who do not have an underlying medical condition that predisposes them to influenza complications.

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