Maintenance of Increased Childhood Influenza Vaccination Rates 1 Year After an Intervention in Primary Care Practices.

Objective: Influenza vaccination rates among some groups of children remain below the Healthy People 2020 goal of 70%. Multistrategy interventions to increase childhood influenza vaccination have not been evaluated recently.

Methods: Twenty pediatric and family medicine practices were randomly assigned to receive the intervention in either year 1 or year 2.