• Heidi J Larson, Caitlin Jarrett, William S Schulz, Mohuya Chaudhuri, Yuqing Zhou, Eve Dube, Melanie Schuster, Noni E MacDonald, Rose Wilson, and SAGE Working Group on Vaccine Hesitancy.
• Department of Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, United Kingdom and Department of Global Health, University of Washington, Seattle, USA. Electronic address: Heidi.Larson@lshtm.ac.uk.
• Vaccine. 2015 Aug 14; 33 (34): 4165-75.

AbstractIn March 2012, the SAGE Working Group on Vaccine Hesitancy was convened to define the term "vaccine hesitancy", as well as to map the determinants of vaccine hesitancy and develop tools to measure and address the nature and scale of hesitancy in settings where it is becoming more evident. The definition of vaccine hesitancy and a matrix of determinants guided the development of a survey tool to assess the nature and scale of hesitancy issues. Additionally, vaccine hesitancy questions were piloted in the annual WHO-UNICEF joint reporting form, completed by National Immunization Managers globally. The objective of characterizing the nature and scale of vaccine hesitancy issues is to better inform the development of appropriate strategies and policies to address the concerns expressed, and to sustain confidence in vaccination. The Working Group developed a matrix of the determinants of vaccine hesitancy informed by a systematic review of peer reviewed and grey literature, and by the expertise of the working group. The matrix mapped the key factors influencing the decision to accept, delay or reject some or all vaccines under three categories: contextual, individual and group, and vaccine-specific. These categories framed the menu of survey questions presented in this paper to help diagnose and address vaccine hesitancy. Copyright © 2015. Published by Elsevier Ltd.

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