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When should you get a flu shot?

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It can take up to a couple of weeks for your body to build up immunity, so the best time to get a shot is as soon as the vaccine becomes available, usually in early fall. But you can still get one any time during flu season to lower your chance of getting sick.

From: Seasonal Flu Shot and Nasal Spray WebMD Medical Reference

SOURCES: 

CDC: "Estimating Seasonal Influenza-Associated Deaths in the United States: CDC Study Confirms Variability of Flu;" "Seasonal Influenza;" and "Burden of Influenza."

Pediatrics , published online Feb. 1, 2011.

FDA: "2009-2010 Seasonal Influenza Vaccines."

KidsHealth.org: "Is the Flu Vaccine a Good Idea for Your Family?"

Flu.gov: "About the Flu."

GlaxoSmithKline.

CDC: "Nasal Spray Flu Vaccine in Children 2 through 8 Years Old." 

Reviewed by Jennifer Robinson on August 08, 2018

SOURCES: 

CDC: "Estimating Seasonal Influenza-Associated Deaths in the United States: CDC Study Confirms Variability of Flu;" "Seasonal Influenza;" and "Burden of Influenza."

Pediatrics , published online Feb. 1, 2011.

FDA: "2009-2010 Seasonal Influenza Vaccines."

KidsHealth.org: "Is the Flu Vaccine a Good Idea for Your Family?"

Flu.gov: "About the Flu."

GlaxoSmithKline.

CDC: "Nasal Spray Flu Vaccine in Children 2 through 8 Years Old." 

Reviewed by Jennifer Robinson on August 08, 2018

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What are side effects of a flu shot?

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.

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