1. Introduction

With few exceptions, doctors recommend that all children older than 6 months of age receive the flu vaccine. Depending on their age and whether they've received a flu vaccine before, some kids need two doses to be protected.

This tool is not intended to replace your doctor's advice. Always consult with your doctor, who can tell you, with certainty, how many vaccines your child will need to be fully protected. This tool follows an algorithm created by the American Academy of Pediatrics and is offered for informational purposes only.

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